VETERINARY CENTERS OF AMERICA INC
S-3, 1996-07-19
AGRICULTURAL SERVICES
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<PAGE>
 
As filed with the Securities and Exchange Commission on July 19, 1996
                                                     Registration No. 333-______
================================================================================

                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549

                            ----------------------

                                   FORM S-3
                            REGISTRATION STATEMENT
                                     Under
                          THE SECURITIES ACT OF 1933

                               ----------------

                      Veterinary Centers of America, Inc.
            (Exact name of Registrant as specified in its charter)

          DELAWARE                                     95-4097995
(State or other jurisdiction of                       (I.R.S. Employer
incorporation or organization)                        Identification No.)


                                 TOMAS FULLER
                      VETERINARY CENTERS OF AMERICA, INC.
                     3420 OCEAN PARK BOULEVARD, SUITE 1000
                        SANTA MONICA, CALIFORNIA 90405
                                (310) 392-9599

           (Name, address, including ZIP code, and telephone number,
                  including area code, of agent for service)

                            ----------------------

                                  Copies to:

                        C.N. FRANKLIN REDDICK III, ESQ.
                       TROOP MEISINGER STEUBER & PASICH
                           10940 WILSHIRE BOULEVARD
                         LOS ANGELES, CALIFORNIA 90024
                                (310) 824-7000

     Approximate date of commencement of proposed sale to the public: From time
to time after the effective date of this Registration Statement.
     If the only securities on this form are being offered pursuant to dividend
or interest reinvestment plans, please check the following box: [_]
     If any of the securities being registered on this Form are to be offered on
a delayed or continuous basis pursuant to Rule 415 under the Securities Act of
1933, other than securities offered only in connection with dividend or interest
reinvestment plans, check the following box: [X]
     If this Form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration number of the earlier effective registration statement for the same
offering: [_]
     If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box: [_]

<TABLE>
<CAPTION>
                                                  CALCULATION OF REGISTRATION FEE
- ------------------------------------------------------------------------------------------------------------------------------------

                                       AMOUNT TO BE     PROPOSED MAXIMUM OFFERING          PROPOSED MAXIMUM             AMOUNT OF
TITLE OF SHARES TO BE REGISTERED        REGISTERED         PRICE PER SHARE (1)       AGGREGATE OFFERING PRICE(1)    REGISTRATION FEE

- ------------------------------------------------------------------------------------------------------------------------------------

<S>                                    <C>               <C>                          <C>                            <C>
5 1/4% Convertible Subordinated        $37,100,000                100%                       $37,100,000                $12,794
       Debentures due 2006
         Common Stock                    1,080,059(2)             ---                             ---                     ---
- ------------------------------------------------------------------------------------------------------------------------------------
</TABLE>

(1)  Estimated solely for the purpose of calculating the registration fee
     pursuant to Rule 457(i) of Regulation C under the Securities Act of 1933.

(2)  Represents the maximum number of shares of Common Stock presently issuable
     upon conversion of the Debentures being registered hereunder at a
     conversion price of $34.35 per share. If issued, such shares of Common
     Stock will be issued for no additional consideration and, therefore, no
     registration fee will be required.

     The Registrant hereby amends this Registration Statement on such date or
dates as may be necessary to delay its effective date until the Registrant shall
file a further amendment which specifically states that this Registration
Statement shall thereafter become effective in accordance with Section 8(a) of
the Securities Act of 1933 or until the Registration Statement shall become
effective on such date as the Commission, acting pursuant to said Section 8(a),
may determine.
<PAGE>
 
                      VETERINARY CENTERS OF AMERICA, INC.
                             CROSS-REFERENCE SHEET

<TABLE>
<CAPTION>

FORM S-3 ITEM                                    SECTION IN PROSPECTUS
- -------------                                    ---------------------
<S>                                      <C> 
1.  Forepart of the Registration
    Statement and Outside Front Cover                                      
    Page of Prospectus................   Facing Page; this Cross-Reference 
                                          Sheet; Outside Front Cover Page  
                                          of Prospectus                    

2.  Inside Front and Outside Back
    Cover Pages of Prospectus.........   Inside Front and Outside Back Cover
                                          Pages of Prospectus; Incorporation 
                                          of Certain Documents by Reference; 
                                          Available Information

3.  Summary Information, Risk Factors
    and Ratio of Earnings to Fixed                                           
    Charges...........................   Prospectus Summary; Risk Factors;   
                                          Incorporation of Certain Documents 
                                          by Reference                       

4.  Use of Proceeds...................   Use of Proceeds
 
5.  Determination of Offering Price...                     *
 
6.  Dilution..........................                     *
 
7.  Selling Security Holders..........   Selling Stockholders and Plan of
                                          Distribution
 
8.  Plan of Distribution..............   Outside Front and Outside Back Cover
                                          Pages of Prospectus; Selling 
                                          Stockholders and Plan of Distribution
                                         
9.  Description of Securities to be      Description of the Capital Stock;
    Registered........................    Description of Debentures
                                         
10. Interests of Named Experts and                         *
    Counsel...........................
 
11. Material Changes..................                     *
 
12. Incorporation of Certain                                                   
    Information by Reference..........   Incorporation of Certain Documents by 
                                          Reference                            

13. Disclosure of Commission
     Position on Indemnification for                  
     Securities Act Liabilities.......   Undertakings 
 
14. Other Expenses of Issuance and                         *
    Distribution......................
 
15. Indemnification of Directors and                                      
    Officers..........................   Indemnification of Directors and 
                                          Officers                        

16. Exhibits..........................   Exhibits
 
17. Undertakings......................   Undertakings
    (a)  Rule 415 Offering............   Undertakings
    (b)  Filing Incorporating
         Subsequent Exchange Act           
         Documents by Reference.......   Undertakings      
    (j)  Qualification of Trust
         Indentures Under Trust            
         Indenture Act of 1939 for
         Delayed Offerings............   Undertakings
 
- -------------------
</TABLE>

*Omitted because the item is negative or inapplicable.
<PAGE>
 
                 Subject to Completion, Dated July _____, 1996

PROSPECTUS

                                  $37,100,000

                      VETERINARY CENTERS OF AMERICA, INC.

                  5 1/4% CONVERTIBLE SUBORDINATED DEBENTURES

                                DUE MAY 1, 2006

                    (INTEREST PAYABLE MAY 1 AND NOVEMBER 1)

                                      AND

                       1,080,059 SHARES OF COMMON STOCK
                                 ____________

     This Prospectus relates to the public offering by the Selling Security
Holders (see "Selling Security Holders") of up to 37,100,000 aggregate principal
amount of 5 1/4% Convertible Subordinated Debentures due May 1, 2006 (the
"Debentures") of Veterinary Centers of America, Inc., a Delaware corporation
(the "Company"), and the shares of common stock, par value $0.001 per share, of
the Company (the "Common Stock" and, together with the Debentures, the
"Securities") that are issuable upon conversion of the Debentures. The
Debentures are convertible into a maximum of 1,080,059 shares of Common Stock at
a conversion price of $34.35 per share, subject to adjustment in certain
circumstances, at any time prior to redemption or maturity. See "Description of
the Debentures." The Common Stock is traded on the Nasdaq National Market
("Nasdaq") under the symbol "VCAI." The last reported sales price of the Common
Stock on Nasdaq on July 17, 1996 was $19.75 per share. See "Description of
Capital Stock."

     Interest on the Debentures is payable semi-annually in arrears on each of
May 1 and November 1, commencing November 1, 1996, and the Debentures will
mature on May 1, 2006, unless previously redeemed. See "Description of the
Debentures."

     The Debentures are redeemable at the option of the Company, in whole or in
part, at any time on or after May 16, 1999, at the redemption prices set forth
herein, plus accrued and unpaid interest to the redemption date. In the event of
a Change of Control (as defined herein), each holder of the Debentures will have
the right to cause the Company to repurchase the Debentures, in whole but not in
part, at a price equal to 100% of the principal amount thereof plus accrued and
unpaid interest to the repurchase date. See "Description of the Debentures-
Redemption" and "-Change of Control."

     The Debentures are general unsecured obligations of the Company,
subordinated to all existing and future Senior Indebtedness (as defined herein),
which at December 31, 1995 was approximately $33.4 million. See "Description of
the Debentures."

     The Company will not receive any proceeds from this offering. The aggregate
proceeds to the Selling Security Holders from the sale of the Securities will be
the offering price of the Securities sold, less applicable agents' commissions
and underwriters' discounts, if any. The Company will pay all expenses incident
to the preparation and filing of a registration statement for the Securities
under federal securities laws. The Selling Security Holders may sell the
Securities from time to time on terms to be determined at the time of sale,
either directly or through agents designated from time to time or dealers or
underwriters designated from time to time. To the extent required, the principal
amount of Debentures or the number of shares of Common Stock to be sold, the
offering price thereof, the name of each Selling Security Holder and each agent,
dealer and underwriter, if any, and any applicable commissions or discounts with
respect to a particular offering will be set forth in an accompanying Prospectus
Supplement. See "Plan of Distribution."

                                _______________

     There is no public market for the Debentures prior to the offering hereby.

     SEE "RISK FACTORS" BEGINNING ON PAGE 5 HEREOF FOR A DISCUSSION OF CERTAIN
INFORMATION THAT SHOULD BE CAREFULLY CONSIDERED BY PROSPECTIVE PURCHASERS OF THE
SECURITIES.

                                _______________

                 The date of this Prospectus is July ___, 1996

                                       1
<PAGE>
 
     No dealer, salesman or any other person has been authorized to give any
information or to make any representation not contained in this Prospectus and,
if given or made, such information or representation must not be relied upon as
having been authorized by the Company or the Managers. This Prospectus does not
relate to any securities other than those described herein or constitute an
offer to sell, or the solicitation of an offer to buy, securities in any
jurisdiction where, or to any person to whom, it is unlawful to make such an
offer or solicitation. Neither the delivery of this Prospectus nor any sale made
hereunder shall, under any circumstances, create an implication that the
information herein is correct as of any time subsequent to the date hereof or
that there has been no change in the affairs of the Company since such date.

     THE DEBENTURES AND THE UNDERLYING SHARES OF COMMON STOCK HAVE NOT BEEN
APPROVED OR DISAPPROVED BY THE SECURITIES AND EXCHANGE COMMISSION OR BY ANY
STATE SECURITIES COMMISSION NOR HAS THE SECURITIES AND EXCHANGE COMMISSION OR
ANY STATE SECURITIES COMMISSION REVIEWED OR PASSED UPON THE ACCURACY OR ADEQUACY
OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.

     FOR NEW HAMPSHIRE RESIDENTS: NEITHER THE FACT THAT A REGISTRATION STATEMENT
OR AN APPLICATION FOR A LICENSE HAS BEEN FILED UNDER RSA 421-B WITH THE STATE OF
NEW HAMPSHIRE NOR THE FACT THAT A SECURITY IS EFFECTIVELY REGISTERED OR A PERSON
IS LICENSED IN THE STATE OF NEW HAMPSHIRE CONSTITUTES A FINDING BY THE SECRETARY
OF STATE THAT ANY DOCUMENT FILED UNDER RSA 421-B IS TRUE, COMPLETE AND NOT
MISLEADING. NEITHER ANY SUCH FACT NOR THE FACT THAT AN EXEMPTION OR EXCEPTION IS
AVAILABLE FOR A SECURITY OR A TRANSACTION MEANS THAT THE SECRETARY OF STATE OF
THE STATE OF NEW HAMPSHIRE HAS PASSED IN ANY WAY UPON THE MERITS OR
QUALIFICATIONS OF, OR RECOMMENDED OR GIVEN APPROVAL TO, ANY PERSON, SECURITY OR
TRANSACTION. IT IS UNLAWFUL TO MAKE, OR CAUSE TO BE MADE, TO ANY PROSPECTIVE
PURCHASER, CUSTOMER OR CLIENT ANY REPRESENTATION INCONSISTENT WITH THE
PROVISIONS OF THIS PARAGRAPH.

     THE ATTORNEY GENERAL OF THE STATE OF NEW YORK HAS NOT PASSED ON OR ENDORSED
THE MERITS OF THIS OFFERING. ANY REPRESENTATION TO THE CONTRARY IS UNLAWFUL.

     INFORMATION CONTAINED HEREIN IS SUBJECT TO COMPLETION OR AMENDMENT. A
REGISTRATION STATEMENT RELATING TO THESE SECURITIES HAS BEEN FILED WITH THE
SECURITIES AND EXCHANGE COMMISSION. THESE SECURITIES MAY NOT BE SOLD NOR MAY
OFFERS TO BUY BE ACCEPTED PRIOR TO THE TIME THE REGISTRATION STATEMENT BECOMES
EFFECTIVE. THIS PROSPECTUS SHALL NOT CONSTITUTE AN OFFER TO SELL OR THE
SOLICITATION OF AN OFFER TO BUY NOR SHALL THERE BE ANY SALE OF THESE SECURITIES
IN ANY JURISDICTION IN WHICH SUCH OFFER, SOLICITATION OR SALE WOULD BE UNLAWFUL
PRIOR TO REGISTRATION OR QUALIFICATION UNDER THE SECURITIES LAWS OF ANY SUCH
JURISDICTION.


                             AVAILABLE INFORMATION

     The Company has filed with the Commission a Registration Statement on Form
S-3 (the "Registration Statement) under the Securities Act with respect to the
Common Stock offered hereby. This Prospectus, which constitutes part of the
Registration Statement does not contain all of the information set forth in the
Registration Statement and the exhibits and schedules thereto. For further
information with respect to the Company and the Common Stock offered hereby,
reference is hereby made to such Registration Statement, and the exhibits and
schedules thereto which may be obtained from the Commission's principal office
in Washington, D.C., upon payment of the fees prescribed by the Commission.
Statements contained in this Prospectus as to the contents of any contract,
agreement or other document are not necessarily complete, and in each instance
reference is made to the copy of such contract or other document filed as an
exhibit to the Registration Statement of which this Prospectus forms a part,
each such statement being qualified in all respects by such reference.

                                       2
<PAGE>
 
     The Company is subject to the reporting requirements of the Securities
Exchange Act of 1934, as amended (the "Exchange Act"), and, in accordance
therewith, files periodic reports and other information with the Securities and
Exchange Commission (the "Commission"). For further information with respect to
the Company, reference is hereby made to such reports and other information
which can be inspected and copied at the public reference facilities maintained
by the Commission at Room 1025, 450 Fifth Street, N.W., Washington, D.C. 20549,
and at the Commission's Regional Offices located at Seven World Trade Center,
13th Floor, New York, New York 10048 and Citicorp Center, 500 West Madison
Street, Suite 1400, Chicago, Illinois 60661. Copies may also be obtained at
prescribed rates from the Public Reference Section of the Commission at Room
1024, 450 Fifth Street, N.W., Washington, D.C. 20549. In addition, the Common
Stock is traded on Nasdaq and the Company's reports, proxy statements and
information statements and other information filed with Nasdaq can also be
inspected at the offices of Nasdaq, 1735 K Street, N.W., Washington, D.C. 20006.

                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE

     The following documents heretofore filed by the Company with the Commission
pursuant to the 1934 Act, are incorporated by reference into this Prospectus:

     (1)  Registrant's Annual Report on Form 10-K for the year ended December
31, 1995;
 
     (2)  Registrant's Quarterly Report on Form 10-Q for the quarter ended March
31, 1996; and
 
     (3)  Registrant's Reports on Form 8-K, filed on February 21, 1996, March 5,
1996, March 15, 1996 (as amended on April 12, 1996 and April 18, 1996), March
25, 1996, April 4, 1996, April 12, 1996, April 17, 1996 and July 3, 1996 (as
amended on July 17, 1996).

     All documents filed by the Company pursuant to Section 13(a), 13(c), 14 or
15(d) of the Exchange Act after the date of this Prospectus and prior to the
termination of the offering of the securities covered by this Prospectus shall
be deemed to be incorporated by reference herein and to be part hereof from the
date of filing of such documents. Any statement contained herein or in a
document, all or a portion of which is incorporated or deemed to be incorporated
by reference herein shall be deemed to be modified or superseded for purposes of
this Prospectus to the extent that a statement contained herein or in any other
subsequently filed document which also is or is deemed to be incorporated by
reference herein modifies or supersedes such statement. Any statement so
modified or superseded shall not be deemed, except as so modified or superseded,
to constitute a part of this Prospectus.

     The Company hereby undertakes to provide without charge to each person to
whom a copy of this Prospectus has been delivered, upon the oral or written
request of any such person, a copy of any or all of the documents incorporated
herein by reference (other than exhibits to such documents, unless such exhibits
are expressly incorporated by reference into such documents). Written requests
for such copies should be directed to Tomas Fuller, Chief Financial Officer,
Veterinary Centers of America, Inc. 3420 Ocean Park Boulevard, Suite 1000, Santa
Monica, California 90405. Telephone inquiries may be directed to Veterinary
Centers of America, Inc., at (310) 392-9599.

                                       3
<PAGE>
 
- --------------------------------------------------------------------------------
                                    SUMMARY

     The following summary is qualified in its entirety by, and should be read
in conjunction with, the more detailed information contained herein and
consolidated financial statements, including the notes thereto, incorporated by
reference into this Prospectus. Unless the context otherwise requires, all
references herein to the "Company" and "VCA" refer to Veterinary Centers of
America, Inc. and its consolidated subsidiaries. The documents incorporated in
this Prospectus contain forward looking statements, which are inherently
uncertain. Actual results may differ from those discussed in such forward
looking statements for the reasons, among others, discussed in "Risk Factors."

                                  THE COMPANY

     Veterinary Centers of America. Inc. ("VCA" or the "Company") was founded in
1986 and is a leading companion animal health care company. The Company has
established a premier position in the animal hospital and veterinary diagnostic
laboratory segments and has an emerging presence in the premium pet food
segment. The Company operates the largest network of free-standing, full service
animal hospitals in the country. This network has grown from one animal hospital
in 1986 to 80 full service animal hospitals located in 16 states at June 20,
1996. As a leader in the industry, the Company employs more veterinarians than
any single private-sector employer. The Company's network includes privately
owned teaching hospitals which provide clinical training for recent veterinary
school graduates. In addition, the Company operates the largest network of
veterinary-exclusive laboratories in the nation with three full service
laboratories and eight smaller STAT (quick response) laboratories servicing over
8,000 animal hospitals located in 40 states across the United States. The
Company also markets both a life-stage and a therapeutic line of premium pet
foods through Vet's Choice, a joint venture with Heinz Pet Products, an
affiliate of H.J. Heinz Company.

     The Company operates in three market segments which had total domestic
revenues in 1994 of approximately $10.0 billion, composed of approximately $8.2
billion for veterinary care (animal hospitals and veterinary diagnostic
laboratories) and $1.8 billion for premium pet food. The animal hospital
industry is highly fragmented with approximately 115 million dogs and cats in
the United States being cared for by an estimated 55,000 veterinarians
practicing at 16,000 animal hospitals. These animal hospitals are primarily
single site, sole practitioner facilities. The Company believes that its larger
size and multi-site network offer advantages to the veterinary professional and
consumer alike. The Company's size and breadth of operations enable it to
leverage corporate overhead, centralize administrative functions, realize
economies of scale in purchasing and other administrative functions, enhance
medical care through specialists and state of the art equipment and technology
and free the veterinary professional from administrative tasks, thereby allowing
the veterinarian greater time to practice veterinary medicine.

     Animal hospitals, veterinary diagnostic laboratories and premium pet foods
represented approximately 55%, 40% and 5%, respectively, of the Company's
revenues for the year ended December 31, 1995. The Company's animal hospitals
offer a full range of general medical and surgical services and also perform
specialty services such as orthopedics for small animals, including dogs, cats,
birds and other household pets. In addition to treating disease and injury, the
Company's animal hospitals emphasize pet wellness and offer programs to
encourage routine vaccinations, health examinations, spaying and neutering and
dental care. The Company's veterinary diagnostic laboratories offer a full range
of diagnostic and reference tests. Laboratory tests are used by veterinarians to
diagnose, monitor and treat diseases through the detection of substances in
blood, urine or tissue samples and other specimens. The Company does not conduct
experiments on animals and is not engaged in animal research. Vet's Choice
markets a line of life-stage and therapeutic premium pet foods under the brand
names, Select Balance and Select Care, respectively.

     The Company's business strategy focuses on (i) expanding its animal
hospital and veterinary diagnostic laboratory businesses through acquisitions
and internal growth, (iii) achieving cost savings by consolidating operations
and realizing economies of scale in purchasing and administrative support
functions and the implementation of the Company's standard management programs,
(iii) taking advantage of its unique opportunity to deliver its products and
services through multiple channels to its customers, who are primarily
veterinarians and pet owners, and (iv) capitalizing on its leadership position
within the companion animal health care industry to expand into other products
and services for veterinarians and pet owners.
- --------------------------------------------------------------------------------

                                       4
<PAGE>
 
                                 RISK FACTORS

     In addition to the other information contained in or incorporated by
reference into this Prospectus, the following risk factors should be carefully
considered before making an investment in the Company.

SUBORDINATION

     The Debentures will be expressly subordinated in right of payment to all
existing and future Senior Indebtedness of the Company (but not its
subsidiaries). Neither the Indenture nor the Debentures will limit the ability
of the Company to incur additional Senior Indebtedness or other indebtedness by
the Company or its subsidiaries. The Indenture and the Debentures will not
contain any financial covenants or similar restrictions with respect to the
Company or its subsidiaries and therefore, the holders of the Debentures will
have no protection (other than rights upon Events of Default as described in
"Description of the Debentures") from adverse changes in the Company's financial
condition. By reason of such subordination of the Debentures, in the event of
insolvency, bankruptcy, liquidation, reorganization, dissolution or winding up
of the business of the Company or upon a default in payment with respect to any
indebtedness of the Company or an event of default with respect to such
indebtedness resulting in the acceleration thereof, the assets of the Company
will be available to pay the amounts due on the Debentures only after all Senior
Indebtedness had been paid in full. The Debentures will rank pari passu with
other unsecured subordinated obligations of the Company.

     The Debentures are obligations exclusively of VCA and not of its
subsidiaries. Because the operations of VCA are currently conducted through its
subsidiaries, the cash flow and consequent ability to service debt of VCA,
including the Debentures, are dependent, in part, upon the earnings of its
subsidiaries and the distribution of those earnings to VCA or upon loans or on
the payment of funds by those subsidiaries to VCA. The subsidiaries are separate
and distinct entities and have no obligation, contingent or otherwise, to pay
any amounts due pursuant to the Debentures or to make any funds available
therefor, whether by dividends, loans, or other payments. In addition, the
payment of dividends and the making of loans and advances to VCA by its
subsidiaries may be subject to statutory or contractual restrictions, or
contingent upon the earnings of those subsidiaries and are subject to various
business considerations.

     For the reasons set forth in the immediately preceding paragraph, the
Debentures will be effectively subordinated to all indebtedness and liabilities,
including current liabilities and commitments under leases of VCA's
subsidiaries. Any right of VCA to receive assets of any of its subsidiaries upon
liquidation or reorganization of the subsidiary (and the consequent right of the
holder of the Debentures to participate in those assets) will be effectively
subordinated to the claims of that subsidiary's creditors (including trade
creditors), except to the extent that VCA is itself recognized as a creditor of
such subsidiary, in which case the claims of VCA would still be subordinated to
any security interest in the assets of such subsidiary and any of the
indebtedness of such subsidiary senior to that held by VCA.

     As of December 31, 1995, Senior Indebtedness of the Company and
indebtedness of its subsidiaries aggregated approximately $33.4 million. The
merger with Pets' Rx was consummated on July 19, 1996 and, as a result, Pets' Rx
became a subsidiary of VCA and the Debentures were effectively subordinated to
all indebtedness of Pets' Rx which at December 31, 1995 was approximately $10.4
million. If the merger with The Pet Practice is consummated, The Pet Practice
will become a subsidiary of VCA, and the Debentures will be effectively
subordinated to all indebtedness of The Pet Practice which at January 3, 1996
was approximately $20.0 million.

RECENT AND PENDING TRANSACTIONS

     VCA acquired Pets' Rx, the owner and operator of 16 animal hospitals in
California and Nevada, on June 19, 1996.

     VCA has entered into a merger agreement with The Pet Practice, Inc. (the
"Pet Practice Merger") and acquired Pets' Rx with the expectation that the
transactions will result in beneficial synergies for the combined business.
These include the potential to realize improved operating margins at animal
hospitals through a strategy of centralizing various corporate and
administrative functions and leveraging fixed costs while providing customers
with improved services.

                                       5
<PAGE>
 
     Achieving these anticipated business benefits will depend in part on
whether the operations of Pet Practice and Pets' Rx, or either of them, can be
integrated with the operations of VCA in an efficient, effective and timely
manner. There can be no assurance that this will occur. The combination of two
or three of the companies will require, among other things, integration of the
companies' management staffs, coordination of the companies' sales and marketing
efforts, integration and coordination of the companies' development teams and
the identification and elimination of redundant and/or unnecessary overhead and
poor-performing hospitals. The success of this process will be significantly
influenced by the ability of the combined business to retain key management and
marketing and development personnel. There is no assurance that this integration
will be accomplished smoothly or successfully or that VCA will be successful in
retaining key members of management. The difficulties of such integration may be
increased by the necessity of coordinating geographically separated
organizations with distinct cultures. The integration of operations of two or
three of the companies following the mergers will require the dedication of
management resources, which may temporarily distract attention from the day-to-
day business of the combined business. The inability of management to integrate
successfully the operations of two or three of the companies could have an
adverse effect on the business and results of the combined business. In
addition, even if the operations of the three companies are ultimately
successfully integrated, it is anticipated that the integration will be
accomplished over time and, in the interim, the combination may have an adverse
effect on the business, results of operations and financial condition of the
combined business.

     In addition, there can be no assurance that the present and potential
customers of VCA, Pet Practice and Pets' Rx will continue their current
utilization patterns without regard to the proposed mergers or that the proposed
mergers will not have an adverse impact upon relationships with veterinarians
and other animal health care professionals currently employed by VCA, Pet
Practice and Pets' Rx. Any significant reduction in utilization patterns by VCA,
Pet Practice and Pets' Rx's customers, or any significant adverse impact on
relationships with the veterinarians and other animal health care professionals
currently employed by VCA, Pet Practice or Pets' Rx, could have an adverse
effect on the near-term business and results of operations of the combined
business.

     Pet Practice commenced operations in October 1993, although the initial
business Pet Practice acquired has, and most of the veterinary hospitals
acquired since have, operated over a substantial period. Pet Practice had net
losses of $4,888,000 in fiscal 1994, $3,175,000 in fiscal 1995 and $899,000 for
the thirteen weeks ended April 3, 1996 and an accumulated deficit of $9,591,000
as of April 3, 1996 relating to net losses in the period from October 27, 1993
(commencement of operations) through December 29, 1993, fiscal 1994 and 1995 and
the thirteen weeks ended April 3, 1996. In view of Pet Practice's significant
recent growth and the impact of certain charges on Pet Practice's 1994 and 1995
results, Pet Practice's historical financial performance may not be indicative
of its future performance. There can be no assurance that Pet Practice will
achieve profitability or successfully implement its business strategy.

     Pets' Rx commenced operations on May 28, 1991. Pets' Rx had net losses of
approximately $2,805,000 in fiscal 1994, $1,977,000 in fiscal 1995 and $358,000
for the three months ended March 31, 1996 and an accumulated deficit of
$8,505,000 as of March 31, 1996. Further losses are expected to be recorded for
fiscal 1995 and 1993 as a result of anticipated pooling adjustments. In view of
Pets' Rx's recent growth and the impact of nonrecurring charges and certain
other charges on Pets' Rx's 1994 and 1995 results, Pets' Rx's historical
financial performance may not be indicative of its future performance. There can
be no assurance that Pets' Rx will achieve profitability or successfully
implement its business strategy.

ANTICIPATED EFFECTS OF ACQUISITIONS

     VCA has implemented a plan with respect to the integration of the Pets' Rx
business into VCA's exiting operations and currently is evaluating the
operations of the business of The Pet Practice for purposes of developing a plan
for the integration of that business with VCA's existing operations. Although
this plan is not yet complete, it is anticipated that a significant
restructuring of the combined operations will be required as a result of these
mergers. As a consequence of this restructuring and the consummation of the
mergers, VCA anticipates incurring one-time restructuring and related charges in
the second and/or third quarters of 1996. The magnitude of these charges has not
been quantified at this time.

     The Pets' Rx acquisition was accounted for on a pooling of interests method
of accounting. Under the pooling rules, the historical financial results of VCA
have been restated to reflect the combination, together with certain
adjustments. Pets' Rx incurred a loss in each of the three fiscal years ended
December 31, 1995 and in the first quarter ended March 31, 1996. The historical
results of VCA have been restated to reflect the historical losses of Pets' Rx.
In

                                       6
<PAGE>
 
addition, Pets' Rx is expected to continue to incur losses in the second quarter
of 1996. Further, under the pooling rules, the costs incurred by VCA and Pets'
Rx in consummating the merger have been expensed during the second quarter.

     The Pet Practice Merger is intended to be accounted for as a purchase.
Under the purchase rules, the Pet Practice Merger is expected to result in a
significant increase in the goodwill and other intangibles recorded on VCA's
balance sheet. This increase in goodwill and other intangibles will be in
addition to the increase resulting from the combination with Pets' Rx, which
also has significant goodwill and other intangibles recorded on its balance
sheet. As a result, VCA expects that its amortization expense will significantly
increase over historical levels.

     The combined effect of the restructuring and other charges discussed above,
the pooling treatment in the Pets' Rx acquisition and the increased amortization
expense will have an adverse effect on the results of operations of VCA in each
of the second and third quarters of 1996. Further, the effect of the increased
amortization expense is expected to temper reported earnings of VCA in the
fourth quarter and subsequent periods.

RAPID EXPANSION AND MANAGEMENT OF GROWTH

     Due to the number and size of acquisitions completed since January 1, 1994,
VCA and Pet Practice have experienced rapid growth. In 1994, VCA completed six
acquisitions (five animal hospitals and one veterinary diagnostic laboratory)
and in 1995, VCA completed 32 acquisitions (25 animal hospitals, six veterinary
diagnostic laboratories and the remaining 30 percent interest in Professional
Animal Laboratory ("PAL")). As a result of these acquisitions, VCA's revenues
have grown from $25.3 million in 1993 to $42.2 million in 1994 and to $92.1
million in 1995. In addition, during this period, VCA entered two new lines of
business, veterinary diagnostic laboratories and premium pet food.

     In 1994, Pet Practice acquired 30 veterinary hospitals and in 1995, Pet
Practice acquired 38 veterinary hospitals. As a result of these acquisitions,
Pet Practice's revenues have grown from $1.2 million in the period from October
27, 1993 to December 29, 1993 to $15.1 million in fiscal 1994 and to $40.6
million in fiscal 1995.

     VCA's and Pet Practice's growth and pace of acquisitions have placed, and
will continue to place, a substantial strain on their respective management,
operational, financial and accounting resources. The successful management of
this growth will require VCA and Pet Practice to continue to implement and
improve their respective financial and management information systems and to
train, motivate and manage their respective employees. There can be no assurance
that the combined business will be able to identify, consummate or integrate
acquisitions without substantial delays, costs or other problems. Once
integrated, acquisitions may not achieve sales, profitability and asset
productivity commensurate with the combined business' other operations. In
addition, acquisitions involve several other risks, including adverse short-term
effects on the combined business' reported operating results, impairments of
goodwill and other intangible assets, the diversion of management's attention,
the dependence on retention, hiring and training of key personnel, the
amortization of intangible assets and risks associated with unanticipated
problems or legal liabilities. The combined business' failure to manage growth
effectively would have a material adverse effect on the combined business'
results of operations and its ability to execute its business strategy.

     In addition, the growth experienced by VCA and Pet Practice, and the
corresponding increased need for timely information, have placed significant
demands on VCA's and Pet Practice's existing accounting and management
information systems. As a result, VCA and Pet Practice are in the process of
upgrading these systems in 1996. No assurance can be given that these upgrades
will be completed successfully or that the new systems can be successfully
integrated or that the new systems will effectively serve the combined business'
future information requirements.

DEPENDENCE ON ACQUISITIONS FOR FUTURE GROWTH

     VCA's, Pet Practice's and the combined business' respective growth
strategies are dependent principally on their ability to acquire existing animal
hospitals and (in the case of VCA and the combined business) veterinary
diagnostic laboratories. Successful acquisitions involve a number of factors
which are difficult to control, including the identification of potential
acquisition candidates, the willingness of the owners to sell on reasonable
terms and the satisfactory completion of negotiations. In addition, acquisitions
may be subject to pre-merger or post-merger review by governmental authorities
for antitrust and other legal compliance. Adverse regulatory action could
negatively affect VCA, Pet Practice and the combined business' respective
operations through the assessment of fines or penalties against VCA, Pet
Practice and the

                                       7
<PAGE>
 
combined business or the possible requirement of divestiture of one or more of
VCA's, Pet Practice's and the combined business' operations.

     There can be no assurance that the combined business will be able to
identify and acquire acceptable acquisition candidates on terms favorable to the
combined business in a timely manner in the future. Assuming the availability of
capital, VCA's plans include an aggressive acquisition program involving the
acquisition by the combined business of at least 15 to 25 facilities per year.
During the period from January 1, 1996 to June 20, 1996, VCA acquired (i) Pets'
Rx, the owner and operator of 16 animal hospitals, (ii) three veterinary
diagnostic laboratories and (iii) 11 animal hospitals, one of which was
consolidated into an existing facility. During this same period, Pet Practice
has acquired three veterinary hospitals. Each of VCA and Pet Practice continues
to evaluate acquisitions and negotiate with several potential acquisition
candidates (although Pet Practice is precluded by the Merger Agreement from
effecting any acquisition while the Merger is pending without the approval of
VCA). The failure to complete acquisitions and continue expansion could have a
material adverse effect on VCA's, Pet Practice's and the combined business'
financial performance. As the combined business proceeds with its acquisition
strategy, it will continue to encounter the risks associated with the
integration of acquisitions described above.

LEVERAGE

     VCA, Pet Practice and Pets' Rx have each incurred substantial indebtedness
to finance the acquisition of their respective animal hospitals and (in the case
of VCA) veterinary diagnostic laboratories. Giving effect to debt incurred in
acquisitions subsequent to March 31, 1996 through June 20, 1996 (excluding the
acquisition of Pets' Rx), VCA had at March 31, 1996, consolidated long-term
obligations (including current portion) of approximately $38.8 million. Pet
Practice had at April 3, 1996 consolidated long-term obligations (including
current portion) of approximately $20.0 million. At March 31, 1996, Pets' Rx had
consolidated long-term obligations (including current portion) of $10.4 million.
In addition, on April 17, 1996, VCA issued subordinated debt in an aggregate
principal amount of $84.4 million (the "Debentures"). At December 31, 1995 and
March 31, 1996, VCA's ratio of long-term debt to total stockholders' equity was
36.3% and 36.4%, respectively. As of March 31, 1996, after giving effect to the
Transactions and the sale of the Debentures, the ratio of long-term debt to
total stockholders' equity will be 82.8%. VCA expects to incur additional
indebtedness in the future to continue its acquisition strategy.

RISKS ASSOCIATED WITH INTANGIBLE ASSETS

     A substantial portion of the assets of VCA, Pet Practice and Pets' Rx
consists of intangible assets, including goodwill and covenants not to compete
relating to the acquisition of animal hospitals and veterinary diagnostic
laboratories. At March 31, 1996, VCA's balance sheet reflected $85.2 million of
intangible assets of these types, a substantial portion of VCA's $157.0 million
in total assets at such date. At April 3, 1996, Pet Practice's balance sheet
reflected $53.8 million of intangible assets of these types, a significant
portion of Pet Practice's $79.7 million in total assets. At March 31, 1996,
Pets' Rx's balance sheet reflected $9.3 million of intangible assets of these
types prior to pooling adjustments, a significant portion of Pets' Rx's $14.6
million in total assets at such date. VCA expects the aggregate amounts of
goodwill and other intangible assets on its balance sheet to increase in the
future in connection with additional acquisitions. This increase will have an
adverse impact on earnings as goodwill and other intangible assets will be
amortized against earnings. In the event of any sale or liquidation of VCA,
there can be no assurance that the value of these intangible assets will be
realized. In addition, the respective companies continually evaluate whether
events and circumstances have occurred that indicate the remaining balance of
intangible assets may not be recoverable. When factors indicate that these
intangible assets should be evaluated for possible impairment, they may be
required to reduce the carrying value of intangible assets, which could have a
material adverse effect on results of operations during the periods in which
such reduction is recognized. In accordance with this policy, VCA recognized a
writedown of goodwill and related assets in the amount of $2.3 million in 1993
in connection with three of VCA's facilities which were not performing. There
can be no assurance that the combined business will not be required to writedown
assets further in future periods. In connection with an accounting change
related to the pooling of interests of Pets' Rx, the combined company will
recognize a pretax writedown of $2.1 million in each of 1993 and 1995.

                                       8
<PAGE>
 
GUARANTEED PAYMENTS

     In connection with acquisitions in which the purchase price consists, in
part, of shares of common stock, par value $0.001, of VCA ("VCA Common Stock")
(the "Guarantee Shares"), VCA often guarantees (the "Guarantee Right") that the
value of such stock (the "Measurement Price") two to three years following the
date of the acquisition (the "Guarantee Period") will equal or exceed the value
of the stock on the date of acquisition (the "Issue Price"). In the event the
Measurement Price does not equal or exceed the Issue Price, VCA typically is
obligated either to (i) pay to the seller in cash, notes payable or additional
shares of VCA Common Stock the difference between the Issue Price and the
Measurement Price multiplied by the number of Guarantee Shares then held by the
seller, or (ii) purchase the Guarantee Shares then held by the seller. Once the
Guarantee Shares are registered for resale under the Act, which registration VCA
covenants to effect generally within six months of issuance of the Guarantee
Shares, the seller's Guarantee Right typically terminates if the VCA Common
Stock trades at 110% to 120% of the Issue Price for five to 15 consecutive days,
depending on the terms of the specific acquisition at issue. There are 285,444
Guarantee Shares outstanding at March 31, 1996 with Issue Prices ranging from
$11.70 to $17.49 that have not been registered for resale. If the value of the
VCA Common Stock decreases and is less than an Issue Price at the end of the
respective Guarantee Period for these shares, VCA may be obligated to compensate
these sellers.

     In connection with the Pet Practice merger, VCA will assume the Guarantee
Rights issued by Pet Practice (which generally operate similarly to the
Guarantee Rights issued by VCA, except that there is no provision for a release
of the Guarantee Right). Giving effect to the terms of the Merger, the number of
Guarantee Shares issued by Pet Practice is not material to the capitalization of
the combined business.

SEASONALITY AND FLUCTUATING QUARTERLY RESULTS

     A large portion of the businesses of VCA, Pet Practice and Pets' Rx is
seasonal, with operating results varying substantially from quarter to quarter.
Historically, VCA's revenues have been greater in the second and third quarters
than in the first and fourth quarters. The demand for VCA's veterinary services
are significantly higher during warmer months because pets spend a greater
amount of time outdoors, where they are more likely to be injured and are more
susceptible to disease and parasites. In addition, use of veterinary services
may be affected by levels of infestation of fleas, heartworms and ticks, and the
number of daylight hours, as well as general economic conditions. A substantial
portion of VCA's and the combined business' costs are fixed and do not vary with
the level of demand. Consequently, net income for the second and third quarters
at individual animal hospitals generally has been higher than that experienced
in the first and fourth quarters.

DEPENDENCE ON KEY MANAGEMENT

     VCA's and the combined business' success will continue to depend to a
significant extent on VCA's executive officers and other key management,
particularly its Chief Executive Officer, Robert L. Antin. VCA has an employment
contract with Mr. Robert Antin, Mr. Arthur Antin, Chief Operating Officer of
VCA, Mr. Neil Tauber, Senior Vice President of VCA, and Mr. Tomas Fuller, Chief
Financial Officer of VCA, each of which expires in December 1998. VCA has no
other written employment agreements with its executive officers. None of VCA's
officers are parties to noncompetition covenants which extend beyond the term of
their employment with VCA. VCA maintains "key man" life insurance on Mr. Robert
Antin in the amount of $3.0 million, of which VCA is the sole beneficiary. VCA
does not maintain any insurance on the lives of its other senior management. As
VCA continues to grow, it will continue to hire, appoint or otherwise change
senior managers and other key executives. There can be no assurance that VCA
will be able to retain its executive officers and key personnel or attract
additional qualified members to management in the future. In addition, the
success of certain of VCA's acquisitions may depend on VCA's ability to retain
selling veterinarians of the acquired companies. The loss of services of any key
manager or selling veterinarian could have a material adverse effect upon VCA's
business.

JOINT VENTURES

     VCA conducts a portion of its veterinary diagnostic laboratory business
through a joint venture with Vet Research, Inc. ("VRI"), and conducts its pet
food business through a joint venture with Heinz Pet Products, an affiliate of
H.J. Heinz Company. VCA has an option (the "VCA Option Agreement") in January
1997 to acquire the remaining 49 percent

                                       9
<PAGE>
 
interest in the laboratory joint venture for $18.6 million in cash plus an
additional amount based upon the earnings of the joint venture to be paid over
six years. Based on current information available to it, VCA expects to exercise
its purchase option in January 1997. If for any reason VCA does not exercise the
option, VRI has the option to purchase from VCA its entire 51 percent interest
for $3.5 million. On the earlier of a change in control of VCA or January 1,
2000, Heinz Pet Products has the option to purchase all of VCA's interest in the
Vet's Choice joint venture at a purchase price equal to the fair market value of
such interest. The proposed acquisition of Pet Practice will not result in a
change in control for purposes of the Vet's Choice joint venture. There can be
no assurance that VCA will not have to sell these joint venture interests.

COMPETITION

     The companion animal health care industry is highly competitive and subject
to continual change in the manner in which services are delivered and providers
are selected. VCA believes that the primary competitive factors in connection
with animal hospitals are convenient location, recommendation of friends,
reasonable fees, quality of care and convenient hours. VCA's primary competitors
for its animal hospitals in most markets are individual practitioners or small,
regional multi-clinic practices. In addition, certain national companies in the
pet care industry, including the operators of super-stores, are developing 
multi-regional networks of animal hospitals in markets which include VCA's
animal hospitals. Among veterinary diagnostic laboratories, VCA believes that
quality, price and the time required to report results are the major competitive
factors. There are many clinical laboratory companies which provide a broad
range of laboratory testing services in the same markets serviced by VCA. In
addition, several national companies provide on-site diagnostic equipment that
allows veterinarians to perform their own laboratory tests. VCA's major
competitors in the premium pet food industry are Hill's and Iams, both of which
have extensive experience in the manufacture of premium pet food and possess
research and development, marketing and financial resources far greater than
that of Vet's Choice.

GOVERNMENT REGULATION

     The laws of some states prohibit veterinarians from splitting fees with 
non-veterinarians and prohibit business corporations from providing veterinary
services through the direct employment of veterinarians. These laws and their
interpretations vary from state to state and are enforced by the courts and by
regulatory authorities with broad discretion. Although VCA and Pet Practice
believe their respective operations as currently conducted are in material
compliance with existing applicable laws, there can be no assurance that VCA's
and Pet Practice's existing operational structure will not be successfully
challenged in one or more states as constituting the unlicensed practice of
veterinary medicine. Such a determination in a state could adversely affect the
operations of VCA and the combined business through the assessment of fines or
penalties against VCA or the combined business or the possible requirement of
divestiture of VCA's operations in the state. In addition, there can be no
assurance that state legislation or regulations will not change so as to
restrict VCA's or, in the future, the combined business' existing operations or
the expansion of such operations.

ANTI-TAKEOVER EFFECT

     A number of provisions of VCA's Certificate of Incorporation and bylaws and
certain Delaware laws and regulations relating to matters of corporate
governance, certain rights of directors and the issuance of preferred stock
without stockholder approval, may be deemed to have and may have the effect of
making more difficult, and thereby discouraging, a merger, tender offer, proxy
contest or assumption of control and change of incumbent management, even when
stockholders other than VCA's principal stockholders consider such a transaction
to be in their best interest. In addition, H.J. Heinz Company has an option to
purchase VCA's interest in the Vet's Choice joint venture upon the occurrence of
a change in control (as defined in the joint venture agreement), which may have
the same effect. Accordingly, stockholders may be deprived of an opportunity to
sell their shares at a substantial premium over the market price of the shares.

IMPACT OF SHARES ELIGIBLE FOR FUTURE SALE

     Future sales by existing stockholders could adversely affect the prevailing
market price of the VCA Common Stock. As of March 31, 1996, VCA had 12,873,129
shares of common stock outstanding, most of which are either freely tradeable in
the public market without restriction or tradeable in accordance with Rule 144
under the Act. There are also

                                       10
<PAGE>
 
159,197 shares which VCA is obligated to issue in connection with certain
acquisitions; 583,333 shares issuable upon conversion of outstanding preferred
stock; 1,505,821 shares of VCA Common Stock issuable upon exercise of
outstanding stock options; 1,607,983 shares of VCA Common Stock issuable upon
exercise of outstanding warrants; and 6,635 shares issuable upon conversion of
convertible notes. Shares may also be issued under price guarantees delivered in
connection with acquisitions. These shares will be eligible for immediate sale
upon issuance. In addition, as a result of the consummation of the Pets' Rx
transaction, VCA will be obligated to issue an aggregate of approximately
801,000 shares (subject to adjustment) and if the Pet Practice transaction is
consummated, VCA will be obligated to issue approximately 3,273,000 shares
(assuming the VCA Common Stock has an average price at that time of $26.375). In
addition, on April 17, 1996, VCA issued $84.4 million of 5.25% convertible
subordinated debentures which are convertible into 2,457,060 shares of VCA
Common Stock at a rate of $34.35 per share.

POSSIBLE VOLATILITY OF STOCK PRICE

     The market price of the VCA Common Stock could be subject to significant
fluctuations caused by variations in quarterly operating results, litigation
involving VCA, announcements by VCA or its competitors, general conditions in
the companion animal health care industry and other factors. The stock market in
recent years has experienced extreme price and volume fluctuations that have
often been unrelated or disproportionate to the operating performance of
publicly traded companies. The broad fluctuations may adversely affect the
market price of the VCA Common Stock.

                                USE OF PROCEEDS

     The Company will not receive any proceeds from the sale of the Securities
offered by the Selling Stockholders hereunder.

                         DESCRIPTION OF THE DEBENTURES

     Set forth below is a summary of certain provisions of the Debentures. The
Debentures were issued pursuant to an Indenture (the "Indenture") dated as of
April 17, 1996, by and between the Company and The Chase Manhattan Bank, N.A.,
as trustee (the "Trustee"). The following summary of the Debentures, the
Indenture and the Registration Rights Agreement does not purport to be complete
and is subject to, and is qualified in its entirety by, reference to all of the
provisions of the Indenture, the Debentures and the Registration Rights
Agreement, including the definitions therein contained. Copies of the Indenture
and the Registration Rights Agreement can be obtained from the Company upon
request. Capitalized terms used herein without definition have the meaning
ascribed to them in the Indenture and the Registration Rights Agreement, as
appropriate. References under this heading to the "Company" are to Veterinary
Centers of America, Inc. and do not include its subsidiaries unless expressly
stated. Wherever particular provisions of the Indenture or the Registration
Rights Agreement are referred to in this summary, such provisions are
incorporated by reference as a part of the statements made and such statements
are qualified in their entirety by such reference. The Debentures offered hereby
were issues as part of an offering of convertible subordinated debentures
effected by the Company in April 1996. All references to "Debentures," in this
section will refer to the entire issues of convertible subordinated debentures
issued in the offering and not just to the Debentures offered hereby.

GENERAL

     The Debentures are unsecured general obligations of the Company, limited in
aggregate principal amount to $84,385,000. The Debentures are subordinated in
right of payment to all existing and future Senior Indebtedness of the Company,
as described under "Subordination" below. At December 31, 1995, Senior
Indebtedness of the Company and indebtedness of its subsidiaries aggregated
$33.4 million. If both of the Mergers are consummated, each of The Pet Practice
and Pets' Rx, respectively, will become subsidiaries of VCA, and the Debentures
will be effectively subordinated to all indebtedness of The Pet Practice and
Pets' Rx which at January 3, 1996 and December 31, 1995, respectively, was
approximately $30.3 million in the aggregate. Neither the Indenture nor the
Debentures will limit the amount of Senior Indebtedness or other indebtedness
that the Company or its subsidiaries may incur.

     The Debentures mature on May 1, 2006. The Debentures bear interest at 5-
1/4% per annum from April 17, 1996 or from the most recent Interest Payment Date
to which interest has been paid or provided for, payable semi-annually in
arrears on May 1 and November 1 of each year, commencing on November 1, 1996.
Interest will be calculated on the

                                       11
<PAGE>
 
basis of a 360-day year consisting of twelve 30-day months. The interest payable
on November 1, 1996, will amount to $28.29 per $1,000 principal amount of the
Debentures and on each May 1 and November 1 thereafter will amount to $26.25 per
$1,000 principal amount of the Debentures.

SUBORDINATION

     The Debentures are obligations exclusively of the Company and not of its
subsidiaries. Because the operations of VCA are currently conducted through its
subsidiaries, the cash flow and consequent ability to service debt of VCA,
including the Debentures, are dependent, in part, upon the earnings of its
subsidiaries and the distribution of those earnings to VCA or upon loans or on
the payment of funds by those subsidiaries to VCA. The subsidiaries are separate
and distinct entities and have no obligation, contingent or otherwise, to pay
any amounts due pursuant to the Debentures or to make any funds available
therefor, whether by dividends, loans, or other payments. In addition, the
payment of dividends and the making of loans and advances to VCA by its
subsidiaries may be subject to statutory or contractual restrictions, or
contingent upon the earnings of those subsidiaries and are subject to various
business considerations.

     The Debentures are subordinated in right of payment to all existing and
future Senior Indebtedness of the Company and rank pari passu with other
unsecured subordinated indebtedness of the Company. The rights of holders of
Debentures are effectively subordinated to all existing and future liabilities
(including trade payables and commitments under leases) of the Company's
subsidiaries. Neither the Indenture nor the Debentures will restrict the
incurrence of Senior Indebtedness or other indebtedness by the Company or its
subsidiaries. Any right of the Company to receive assets of any of its
subsidiaries upon liquidation or reorganization of the subsidiary (and the
consequent right of the holders of the Debentures to participate in those
assets) will be effectively subordinated to the claims of that subsidiary's
creditors, except to the extent that the Company is itself recognized as a
creditor of such subsidiary, in which case the claims of the Company would still
be subject to any security interests in the assets of such subsidiary and
subordinated to any indebtedness of such subsidiary senior to that held by the
Company.

     The Indenture provides that no payment may be made by the Company on
account of the principal of, premium, if any, interest on, or Additional Amounts
(as defined herein) with respect to, the Debentures, or to acquire any of the
Debentures (including repurchases of Debentures at the option of the holder
thereof) for cash or property (other than Junior Securities as defined herein),
or on account of the redemption provisions of the Debentures, (i) upon the
maturity of any Senior Indebtedness of the Company by lapse of time,
acceleration (unless waived) or otherwise, unless and until all principal of,
premium, if any, and interest on such Senior Indebtedness and all other
Obligations in respect thereof are first paid in full (or such payment is duly
provided for), or (ii) in the event of default in the payment of any principal
of, premium, if any, interest on or any other Obligation in respect of any
Senior Indebtedness of the Company when it becomes due and payable, whether at
maturity or at a date fixed for prepayment or by declaration or otherwise (a
"Payment Default"), unless and until such Payment Default has been cured or
waived or otherwise has ceased to exist.

     Upon (i) the happening of an event of default (other than a Payment
Default) that permits the holders of Senior Indebtedness or their representative
immediately to accelerate its maturity and (ii) written notice of such event of
default given to the Company and the Trustee, by the holders of such Senior
Indebtedness or their representative (a "Payment Notice"), then, unless and
until such event of default has been cured or waived or otherwise has ceased to
exist, no payment (by set off or otherwise) may be made by or on behalf of the
Company on account of the principal of, premium, if any, interest on, or
Additional Amounts with respect to, the Debentures, or to acquire or repurchase
any of the Debentures for cash or property, or on account of the redemption
provisions of the Debentures, in any such case other than payments made with
Junior Securities of the Company. Notwithstanding the foregoing, unless (i) the
Senior Indebtedness in respect of which such event of default exists has been
declared due and payable in its entirety within 179 days after the Payment
Notice is delivered as set forth above (the "Payment Blockage Period"), and (ii)
such declaration has not been rescinded or waived, at the end of the Payment
Blockage Period the Company shall be required to pay all sums not paid to the
holders of the Debentures during the Payment Blockage Period due to the
foregoing prohibitions and to resume all other payments as and when due on the
Debentures. Any number of Payment Notices may be given; provided, however, that
(i) not more than one Payment Notice shall be given within any period of 360
consecutive days, and (ii) no default that existed upon the date of such Payment
Notice or the commencement of such Payment Blockage Period (whether or not such
event of default is on the same issue of Senior Indebtedness) shall be made the
basis for the commencement of any other Payment Blockage Period.

                                       12
<PAGE>
 
     In the event that, notwithstanding the foregoing, any payment or
distribution of assets of the Company (other than Junior Securities) shall be
received by the Trustee or the holders of Debentures at a time when such payment
or distribution is prohibited by the foregoing provisions, such payment or
distribution shall be held in trust for the benefit of the holders of Senior
Indebtedness of the Company, and shall be paid or delivered by the Trustee or
such holders of Debentures, as the case may be, to the holders of the Senior
Indebtedness of the Company remaining unpaid or unprovided for or to their
representative or representatives, or to the trustee or trustees under any
indenture pursuant to which any instruments evidencing any of such Senior
Indebtedness of the Company may have been issued, ratably according to the
aggregate amounts remaining unpaid on account of the Senior Indebtedness of the
Company held or represented by each, for application to the payment of all
Senior Indebtedness of the Company remaining unpaid, to the extent necessary to
pay or to provide for the payment of all such Senior Indebtedness in full after
giving effect to any concurrent payment or distribution to the holders of such
Senior Indebtedness.

     Upon any distribution of assets of the Company upon any dissolution,
winding up, total or partial liquidation or reorganization of the Company,
whether voluntary or involuntary, in bankruptcy, insolvency, receivership or a
similar proceeding or upon assignment for the benefit of creditors or any
marshaling of assets or liabilities, (i) the holders of all Senior Indebtedness
of the Company will first be entitled to receive payment in full (or have such
payment duly provided for) before the holders of Debentures are entitled to
receive any payment on account of the principal of, premium, if any, interest
on, or Additional Amounts with respect to, the Debentures (other than Junior
Securities) and (ii) any payment or distribution of assets of the Company of any
kind or character, whether in cash, property or securities (other than Junior
Securities) to which the holders of Debentures or the Trustee on their behalf
would be entitled (by set off or otherwise), except for the subordination
provisions contained in the Indenture, will be paid by the liquidating trustee
or agent or other person making such a payment or distribution directly to the
holders of Senior Indebtedness of the Company or their representative to the
extent necessary to make payment in full of all such Senior Indebtedness
remaining unpaid, after giving effect to any concurrent payment or distribution
to the holders of such Senior Indebtedness.

     No provision contained in the Indenture or the Debentures affect the
obligation of the Company, which is absolute and unconditional, to pay, when
due, principal of, premium, if any, interest on, and Additional Amounts with
respect to, the Debentures. The subordination provisions of the Indenture and
the Debentures will not prevent the occurrence of any default or Event of
Default or limit the rights of any holder of Debentures, subject to the four
immediately preceding paragraphs, to pursue any other rights or remedies with
respect to the Debentures.

     As a result of these subordination provisions, in the event of the
liquidation, bankruptcy, reorganization, insolvency, receivership or similar
proceeding or an assignment for the benefit of the creditors of the Company or
any of its subsidiaries or a marshaling of assets or liabilities of the Company
and its subsidiaries, holders of the Debentures may receive ratably less than
other creditors.

DELIVERY AND FORM OF RESTRICTED DEBENTURES

     The Manager arranged for the sale of a portion of the Debentures to certain
institutions in the United States in reliance on exemptions from the
registration requirements of the Securities Act. Those of such Debentures that
were sold to QIBs were represented by a single global Debenture (the "Rule 144A
Global Security"), which was deposited on April 17, 1996 with, or on behalf of,
the Depository and registered in the name of Cede & Co., as nominee of the
Depository (such nominee being referred to herein as the "Rule 144A Global
Security Holder"). The Debentures represented by the Rule 144A Global Security
are eligible for trading on PORTAL. Debentures that were sold to institutional
accredited investors (the "Accredited Investor Debentures") are in fully
registered form. The Rule 144A Global Security and the Accredited Investor
Debentures were delivered for the accounts of the purchasers thereof on April
17, 1996.

     The Depository is a limited-purpose trust company that was created to hold
securities for its participating organizations (collectively, the "Participants"
or the "Depository's Participants") and to facilitate the clearance and
settlement of transactions in such securities between Participants through
electronic book-entry changes in accounts of its Participants. The Depository's
Participants include securities brokers and dealers, banks and trust companies,
clearing corporations and certain other organizations. Access to the
Depository's system is also available to other entities such as banks, brokers,
dealers and trust companies (collectively, the "Indirect Participants" or the
"Depository's Indirect Participants") that clear through or maintain a custodial
relationship with a Participant, either directly or indirectly.

                                       13
<PAGE>
 
Persons who are not Participants may beneficially own securities held by or on
behalf of the Depository only through the Depository's Participants or the
Depository's Indirect Participants.

     So long as the Rule 144A Global Security Holder is the registered owner of
any Debentures, the Rule 144A Global Security Holder will be considered the sole
holder under the Indenture of any Debentures evidenced by the Rule 144A Global
Security. Beneficial owners of Debentures evidenced by the Rule 144A Global
Security will not be considered the owners or holders thereof under the
Indenture for any purpose, including with respect to the giving of any
directions, instructions or approvals to the Trustee. Neither the Company nor
the Trustee will have any responsibility or liability for any aspect of the
records of the Depository or for maintaining, supervising or reviewing any
records of the Depository relating to the Debentures.

     Payments in respect of the principal of, premium, if any, interest on, and
Additional Amounts with respect to, any Debentures registered in the name of the
Rule 144A Global Security Holder on the applicable record date are payable by
the Trustee to or at the direction of the Rule 144A Global Security Holder in
its capacity as the registered holder under the Indenture. Under the terms of
the Indenture, the Company and the Trustee may treat the persons in whose names
the Debentures, including the Rule 144A Global Security, are registered as the
owners thereof for the purpose of receiving such payments. Consequently, neither
the Company nor the Trustee has or will have any responsibility or liability for
the payment of such amounts to beneficial owners of Debentures. The Company
believes, however, that it is currently the policy of the Depository immediately
to credit the accounts of the relevant Participants with such payments, in
amounts proportionate to their respective holdings of beneficial interests in
the relevant security as shown on the records of the Depository. Payments by the
Depository's Participants and the Depository's Indirect Participants to the
beneficial owners of Debentures are governed by standing instructions and
customary practice and are the responsibility of the Depository's Participants
or the Depository's Indirect Participants.

EXCHANGE AND TRANSFER

     At the option of the holder thereof and subject to the terms of the
Debentures and of the Indenture, Registered Debentures are exchangeable for an
equal aggregate principal amount of Registered Debentures of different
authorized denominations, in each case without service charge (other than the
cost of delivery) and upon payment of any taxes and other governmental charges.
Registered Debentures are not exchangeable for Bearer Debentures. Registered
Debentures shall be registered as provided in the Indenture. The registered
holder of a Registered Debenture will be treated by the Company, the Trustee and
their respective agents for all purposes as the owner of such Registered
Debenture.

     The transfer of Registered Debentures may be registered, and Registered
Debentures may be presented in exchange for other Registered Debentures of
different authorized denominations, at the office of the Trustee in The City of
New York, without service charge (other than the cost of delivery) and upon
payment of any taxes or other governmental charges. Registered Debentures may
also be presented for purposes of transfer or such exchange at the offices of
the paying agents in London (which will initially be The Chase Manhattan Bank,
N.A.) or the transfer agent in Luxembourg (which will initially be Chase
Manhattan Bank Luxembourg, S.A.), or such other paying agents as may be
specified in notices to the holders of Debentures in accordance with "-Notices"
below.

     In the event of a redemption in part, the Company is not required (i) to
register the transfer of Registered Debentures for a period of 15 days
immediately preceding the date on which notice is given identifying the serial
numbers of the Debentures called for such redemption; or (ii) to register the
transfer or exchange of any such Registered Debenture, or portion thereof,
called for redemption.

     Subject to certain conditions, any person having a beneficial interest in
the Rule 144A Global Security may, upon request to the Trustee, exchange such
beneficial interest for Debentures in the form of certificated Debentures. Upon
any such issuance, the Trustee is required to register such certificated
Debentures in the name of, and cause the same to be delivered to, such person or
persons (or the nominee of any thereof). All such certificated Debentures will
be subject to the legend requirements described herein under "Notice to
Investors." In addition, if (i) the Company notifies the Trustee in writing that
the Depository is no longer willing or able to act as a depository and the
Company is unable to locate a qualified successor within 90 days or (ii) the
Company, at its option, notifies the Trustee in writing that it elects to cause
the issuance of Debentures in the form of certificated Debentures under the
Indenture, then, upon surrender by the

                                       14
<PAGE>
 
Rule 144A Global Security Holder of the Rule 144A Global Security, Debentures in
certificated form will be issued to each person that the Rule 144A Global
Security Holder and the Depository identify as being the beneficial owner of the
related Debentures.

     Neither the Company nor the Trustee will be liable for any delay by the
Rule 144A Global Security Holder or the Depository in identifying the beneficial
owners of Debentures, and the Company and the Trustee may conclusively rely on,
and will be protected in relying on, instructions from the Rule 144A Global
Security Holder or the Depository for all purposes.

CONVERSION RIGHTS

     The Debentures are convertible into Common Stock, initially at the
conversion price of $34.35 per share (equivalent to approximately 29.11 shares
of Common Stock for each $1,000 principal amount of Debentures), at any time on
and after the Exchange Date, and prior to redemption or maturity. The right to
convert a Debenture called for redemption or delivered for repurchase will
terminate at the close of business on the fifth day (or if such day is not a
Business Day, the next succeeding Business Day) next preceding the redemption
date for such Debenture. Holders of the Debentures will have the right to
convert Debentures called for redemption until terminated in accordance with the
preceding sentence.

     The right of conversion attaching to any Debenture may be exercised by the
holder thereof by delivering the Debenture at the specified office of a
conversion agent (including such office in Luxembourg, as described under "--
Payments, Paying Agents and Conversion Agents" below), accompanied by a duly
signed and completed notice of conversion. The conversion date shall be the date
on which the Debenture and the duly signed and completed notice of conversion
shall have been so delivered. As promptly as practicable on or after the
conversion date, the Company will cause to be delivered at such office of the
conversion agent certificates representing the number of shares of Common Stock
deliverable upon conversion, together with payment in lieu of any fractional
shares. A holder delivering a Debenture for conversion will not be required to
pay any taxes or duties payable in respect of the issuance or delivery of Common
Stock on conversion but will be required to pay any tax or duty which may be
payable in respect of any transfer involved in the issuance or delivery of the
Common Stock in a name other than that of the holder of the Debenture.
Certificates representing shares of Common Stock issuable upon conversion of the
Debentures will be issued and delivered by the Company's transfer agent upon
notice from the conversion agent under the Indenture only after all taxes and
duties, if any, payable by such holder have been paid. Such certificates will be
delivered to the address specified by such holder in its completed notice of
conversion.

     In the case of any Registered Debenture that has been converted after any
Interest Record Date, but on or before the next Interest Payment Date, interest,
the stated due date of which is on such Interest Payment Date, shall be payable
on such Interest Payment Date notwithstanding such conversion, and such interest
shall be paid to the holder of such Registered Debenture who is a holder on such
Interest Record Date. Any Registered Debenture so converted must be accompanied
by payment of an amount equal to the interest payable on such Interest Payment
Date on the principal amount of Registered Debentures being surrendered for
conversion, except that Registered Debentures called for redemption on May 16,
1999 shall not be accompanied by such payment.

     The conversion price is subject to adjustment in certain events, including
(a) dividends (and other distributions) payable in Common Stock on any class of
capital stock of the Company, (b) the issuance to all holders of Common Stock of
rights, options or warrants entitling them to subscribe for or purchase Common
Stock (or securities convertible into Common Stock) at less than the then-
current market price (as determined in accordance with the Debentures) unless
holders of Debentures are entitled to receive the same upon conversion, (c)
subdivisions, combinations and reclassifications of Common Stock and (d)
distributions to all holders of Common Stock of evidences of indebtedness of the
Company or assets (including securities, but excluding those rights, options,
warrants, dividends and distributions referred to above, dividends and
distributions paid in cash out of the retained earnings of the Company and
regular quarterly dividends consistent with past practice). In addition to the
foregoing adjustments, the Company is permitted to make such downward
adjustments in the conversion price as it considers to be advisable in order
that any event treated for United States federal income tax purposes as a
dividend of stock or stock rights will not be taxable to the holders of the
Common Stock. Adjustments in the conversion price of less than $0.25 will not be
required, but any adjustment that would otherwise be required to be made will be
taken into account in the computation of any subsequent adjustment. Fractional
shares of

                                       15
<PAGE>
 
Common Stock are not to be issued or delivered upon conversion, but, in lieu
thereof, a cash adjustment will be paid based upon the then-current market price
of Common Stock.

     Subject to the foregoing, no payments or adjustments will be made upon
conversion on account of accrued interest on the Debentures or for any dividends
or distributions on any shares of Common Stock delivered upon such conversion.
Notice of any adjustment of the conversion price will be given in the manner set
forth herein under "--Notices" below.

     Conversion price adjustments or omissions in making such adjustments may,
under certain circumstances, be deemed to be distributions that could be taxable
as dividends under the Code to holders of Debentures or of Common Stock.

     If at any time the Company makes a distribution of property to its
stockholders that would be taxable to such stockholders as a dividend for United
States federal income tax purposes (e.g., distribution of evidences of
indebtedness or assets of the Company, but generally not stock dividends or
rights to subscribe for Common Stock) and, pursuant to the antidilution
provisions of the Debentures, the conversion price of the Debentures is reduced,
such reduction may be deemed to be the payment of a taxable dividend to holders
of Debentures. Such a deemed dividend might be subject to a 30% or then
applicable United States withholding tax unless the holder is entitled to a
reduction of the tax under a tax treaty.

     In the event that the Company should merge with another company, become a
party to a consolidation or sell or transfer all or substantially all of its
assets to another company, each Debenture then outstanding would, without the
consent of any holder of Debentures, become convertible only into the kind and
amount of securities, cash and other property receivable upon the merger,
consolidation or transfer by a holder of the number of shares of Common Stock
into which such Debenture might have been converted immediately prior to such
merger, consolidation or transfer.

REDEMPTION

     Unless previously redeemed, converted or purchased and canceled by the
Company, the Debentures will mature on May 1, 2006 and shall be redeemed at
their principal amount.

Optional Redemption

     The Debentures may be redeemed, at the option of the Company, in whole or
in part, at any time on and after May 16, 1999, upon notice as described below,
at a redemption price equal to 103% of their principal amount if redeemed during
the 12-month period commencing May 16, 1999, 102% of their principal amount if
redeemed during the 12-month period commencing May 16, 2000, 101% of their
principal amount if redeemed during the 12-month period commencing May 16, 2001
and 100% of their principal amount if redeemed during the 12-month period
commencing May 16, 2002 and thereafter, in each case together with accrued and
unpaid interest to the date fixed for redemption. In the event of a partial
redemption, the Debentures to be redeemed will be selected by the Trustee not
more than 75 days before the date fixed for redemption, by such method as the
Trustee shall deem fair and appropriate.

     Debentures may be redeemed, in whole but not in part, upon notice as
described below, at the option of the Company at any time, if the Company shall
determine that as a result of any change in or amendment to the laws or any
regulations or rulings of the United States or any political subdivision or
taxing authority thereof or therein affecting taxation, or any amendment to, or
change in, an official application or interpretation of such laws, regulations
or rulings, which amendment or change is announced or becomes effective on or
after April 17, 1996, the Company has or will become obligated to pay Additional
Amounts on the Debentures or coupons, as described below under "Payment of
Additional Amounts," and such obligation cannot be avoided by the Company taking
reasonable measures available to it; provided, however, that no such notice of
redemption shall be given earlier than 90 days prior to the earliest date on
which the Company would be obligated to pay such Additional Amounts were a
payment in respect of the Debentures then due; and provided further, that at the
time such notice is given, such obligation to pay such Additional Amounts
remains in effect. In case of any such redemption, the redemption price will be
100% of the principal amount of the Debentures, together in each case with
accrued and unpaid interest to the date fixed for redemption. The Company is
required to deliver to the Trustee a certificate stating that the Company is
entitled to effect such redemption and that the conditions

                                       16
<PAGE>
 
precedent to the right of the Company to redeem the Debentures have occurred
and an opinion of counsel stating that the legal conditions precedent to the
right of the Company to effect such redemption have occurred.

Notices of Redemption

     Notice of intention to redeem Debentures will be given as described under 
"--Notices" below. In the case of redemption of all Debentures, notice will be
given once not more than 60 nor less than 30 days prior to the date fixed for
redemption. In the case of a partial redemption, notice will be given twice, the
first such notice to be given not more than 60 nor less than 45 days prior to
the date fixed for redemption and the second such notice to be given not more
than 45 nor less than 30 days prior to the date fixed for redemption.

     Notices of redemption will specify the date fixed for redemption, the
applicable redemption price, the date on which the conversion privilege expires
and, in the case of a partial redemption, the aggregate principal amount of
Debentures to be redeemed and the aggregate principal amount of Debentures which
will be outstanding after such partial redemption. In addition, in the case of a
partial redemption, the first notice will specify the last date on which
exchanges or transfers of Debentures may be made pursuant to the provisions of
"--Exchange and Transfer" above and the second notice will specify the serial
numbers of the Debentures and the portions thereof called for redemption.

     As used herein, "United States" means the United States of America
(including the states and the District of Columbia), its territories, its
possessions and other areas subject to its jurisdiction. The term "United States
Alien" means any person who, for United States federal income tax purposes, is
(i) a foreign corporation, (ii) a foreign partnership one or more of the members
of which are, for United States federal income tax purposes, foreign
corporations, non-resident alien individuals or non-resident alien fiduciaries
of a foreign estate or trust, (iii) a non-resident alien individual or (iv) a
non-resident alien fiduciary of a foreign estate or trust.

     In addition, the Company may at any time and from time to time repurchase
the Debentures in the open market or in private transactions at prices it
considers attractive. Debentures repurchased by the Company will be canceled.

CHANGE OF CONTROL

     Each holder of a Debenture has the right, at such holder's option, to cause
the Company to purchase such Debenture, in whole but not in part, for a cash
amount equal to 100% of the principal amount, together with accrued and unpaid
interest to the repurchase date, if a Change of Control (as defined herein)
occurs or has occurred. Notice with respect to the occurrence of a Change of
Control will be given as described under "--Notices" below and not later than 30
days after the Exchange Date or the date of the occurrence of such Change of
Control. The date fixed for such purchase will be a date not less than 30 nor
more than 60 days after notice of the occurrence of a Change of Control is given
(except as otherwise required by law). To be purchased, a Debenture must be
received with a duly executed written notice, substantially in the form provided
on the reverse side of such Debenture, at the office of a paying agent not later
than the fifth day (or if such day is not a Business Day, the next succeeding
Business Day) prior to the date fixed for such purchase. All Debentures
purchased by the Company will be canceled. Holders of Debentures who have
tendered a notice of purchase will be entitled to revoke their election by
delivering a written notice of such revocation to a paying agent on or prior to
the date fixed for such purchase. In addition, holders of Debentures will retain
the right to require such Debentures to be converted into Common Stock (or other
securities, property or cash, payable in lieu thereof by reference to the
adjustment price as provided under the adjustment provision, see "--Conversion
Rights") prior to the purchase date, so long as notice to that effect, including
such holder's nontransferable receipt for the Debentures from a paying agent, is
delivered to a paying agent on or prior to the close of business on the fifth
day (or if such day is not a Business Day, the next succeeding Business Day)
next preceding the applicable Redemption Date.

     A "Change of Control" will be deemed to have occurred (i) upon any merger
or consolidation of the Company with or into any person or any sale, transfer or
other conveyance, whether direct or indirect, of all or substantially all of the
assets of the Company, on a consolidated basis, in one transaction or a series
of related transactions, if, immediately after giving effect to such
transaction, any "person" or "group" (as such terms are used for purposes of
Sections 13(d) and 14(d) of the United States Securities Exchange Act of 1934,
as amended (the "Exchange Act"), whether or not applicable) is or becomes the
"beneficial owner," directly or indirectly, of more than 50% of the total voting
power in the aggregate

                                       17
<PAGE>
 
normally entitled to vote in the election of directors, managers, or trustees,
as applicable, of the transferee or surviving entity, (ii) when any "person" or
"group" (as such terms are used for purposes of Sections 13(d) and 14(d) of the
Exchange Act, whether or not applicable) is or becomes the "beneficial owner,"
directly or indirectly, of more than 50% of the total voting power in the
aggregate normally entitled to vote in the election of directors of the Company,
or (iii) when, during any period of 12 consecutive months after the Closing
Date, individuals who at the beginning of any such 12-month period constituted
the Board of Directors of the Company (together with any new directors whose
election by such Board or whose nomination for election by the shareholders of
the Company was approved by a vote of a majority of the directors then still in
office who were either directors at the beginning of such period or whose
election or nomination for election was previously so approved), cease for any
reason to constitute a majority of the Board of Directors of the Company then in
office.

     The phrase "all or substantially all" of the assets of the Company is
likely to be interpreted by reference to applicable state law at the relevant
time, and will be dependent on the facts and circumstances existing at such
time. As a result, there may be a degree of uncertainty in ascertaining whether
a sale or transfer of "all or substantially all" of the assets of the Company
has occurred. For purposes of this definition, (i) the terms "person" and
"group" shall have the meaning used for purposes of Rules 13d-3 and 13d-5 of the
Exchange Act as in effect on the Closing Date, whether or not applicable; and
(ii) the term "beneficial owner" shall have the meaning used in Rules 13d-3 and
13d-5 under the Exchange Act as in effect on the Closing Date, whether or not
applicable, except that a "person" shall not be deemed to have "beneficial
ownership" of all shares that any such person has the right to acquire, whether
such right is exercisable immediately or only after the passage of time or upon
the occurrence of certain events.

     The Change of Control provisions described above may make more difficult or
discourage a takeover of the Company, and, thus, the removal of incumbent
management. The Change of Control provisions will not prevent a leveraged buy
out led by Company management, a recapitalization of the Company or change in a
majority of the members of the Board of Directors which is approved by the then-
current Board of Directors and may not afford the holders of Debentures
protection in the event of a highly leveraged transaction, reorganization,
restructuring, merger, spin-off or similar transaction that may adversely affect
such holders, if such transaction does not constitute a Change of Control, as
set forth above.

     The Company will comply with the provisions of Rule 13e-4 and any other
tender offer rules under the Exchange Act which may then be applicable and will
file a Schedule 13E-4 or any other schedule required thereunder in connection
with any offer by the Company to purchase Debentures at the option of holders
thereof upon a Change of Control. The Change of Control purchase feature is not,
however, as of the date of this Offering Circular, the result of management's
knowledge of any specific efforts to accumulate shares of Common Stock or to
obtain control of the Company by means of a merger, tender offer, solicitation
of proxies or consents or otherwise, or part of a plan to implement a series of
anti-takeover measures.

     The Company could, in the future, enter into certain transactions,
including certain recapitalizations of the Company, that would not constitute a
Change of Control under the Debentures, but that would increase the amount of
Senior Indebtedness (or any other indebtedness of the Company or its
subsidiaries) outstanding at such time. There are no restrictions in the
Debentures or the Indenture on the creation of additional Senior Indebtedness
(or any other indebtedness or the Company or its subsidiaries), and, under
certain circumstances, the incurrence of significant amounts of additional
indebtedness by the Company or any of its subsidiaries could have an adverse
effect on the Company's ability to service its indebtedness, including the
Debentures. If such a Change of Control were to occur, there can be no assurance
that the Company would have sufficient funds at the time of such event to pay
the Change of Control purchase price for all Debentures tendered by the holders
thereof. A default by the Company on its obligation to pay the Change of Control
purchase price could, pursuant to cross-default provisions, result in
acceleration of the payment of other indebtedness of the Company outstanding at
that time.

     Certain of the Company's existing and future agreements relating to its
indebtedness could prohibit the purchase by the Company of the Debentures
pursuant to the exercise by a holder of Debentures of the foregoing option,
depending on the financial circumstances of the Company at the time any such
purchase may occur, because such purchase could cause a breach of certain
covenants contained in such agreements. Such a breach may constitute an event of
default under such indebtedness as a result of which any repurchase could,
absent a waiver, be blocked by the subordination provision of the Debentures.
See "--Subordination." Failure of the Company to repurchase the Debentures when
required would

                                       18
<PAGE>
 
result in an Event of Default with respect to the Debentures whether or not such
repurchase is permitted by the subordination provisions.

PAYMENTS, PAYING AGENTS AND CONVERSION AGENTS

     The principal of, premium, if any, and interest on Registered Debentures
are payable in United States dollars. Payments of such principal and premium, if
any, will be made against surrender of Registered Debentures at the corporate
trust office of the Trustee in The City of New York or, subject to any
applicable laws and regulations, at the offices of the paying agents in London
or Luxembourg (or such other paying agencies as may be specified in notices to
the holders of Debentures in accordance with "--Notices" below) by United States
dollar check drawn on, or wire transfer to a United States dollar account
maintained by the holder with, a bank located in The City of New York. Payments
of any installment of interest on Registered Debentures will be made by a United
States dollar check drawn on a bank in The City of New York mailed to the holder
at such holder's registered address or (if arrangements satisfactory to the
Company and the Trustee are made) by wire transfer to a dollar account
maintained by the holder with a bank in The City of New York. Payment of such
interest on any Interest Payment Date will be made to the person in whose name
such Registered Debenture is registered at the close of business on the Interest
Record Date prior to the relevant Interest Payment Date. Accrued interest
payable on any Registered Debenture that is redeemed will be payable against
surrender of such Registered Debenture in the manner described above with
respect to payments of principal on Registered Debentures, except Registered
Debentures that are redeemed on a date after the close of business on the
Interest Record Date immediately preceding such Interest Payment Date and on or
before the Interest Payment Date, on which interest will be paid to the holder
of record on the Interest Record Date.

     The Debentures may be surrendered for conversion or exchange at the
corporate trust office of the Trustee in The City of New York or, at the option
of the holder and subject to applicable laws and regulations, at the office of
any of the conversion agents.

     The Company has initially appointed the Trustee as paying agent and
conversion agent and has initially appointed Chase Manhattan Bank Luxembourg,
S.A. as additional paying and transfer agent in Luxembourg. These appointments
may be terminated at any time and additional or other paying and conversion
agents may be appointed, provided that until the Debentures have been delivered
for cancellation, or monies sufficient to pay the principal of and premium, if
any, and interest on the Debentures have been made available for payment and
either paid or returned to the Company as provided in the Indenture, a paying,
conversion and transfer agent will be maintained (a) in The City of New York for
the payment of the principal of and premium, if any, and interest on Registered
Debentures only and for the surrender of Debentures for conversion and (b) in a
European city that, so long as the Debentures are listed on the Luxembourg Stock
Exchange and the rules of such Exchange shall so require, will be Luxembourg,
for the payment of the principal of and premium, if any, and interest on
Debentures and for the surrender of Debentures for conversion, payment,
redemption, transfer or exchange. Notice of any such termination or appointment
and of any change in the office through which any paying, conversion, or
transfer agent will act will be given in accordance with "--Notices" below. All
fees to be paid to the Trustee, Registrar, Transfer Agent, Paying Agent and
Conversion Agent shall be the responsibility of the Company.

     All monies paid by the Company to a paying agent for the payment of
principal of, premium, if any, or interest on any Debenture that remain
unclaimed at the end of two years after such principal, premium or interest
shall have become due and payable will be repaid to the Company, and the holder
of such Debenture or any related coupon will thereafter look only to the Company
for payment thereof.

PAYMENT OF ADDITIONAL AMOUNTS

     The Company will pay to the holder of any Debenture or any related coupon
who is a United States Alien (as defined above) such additional amounts
("Additional Amounts") as may be necessary in order that every net payment of
the principal of, premium, if any, and interest on such Debenture, and any cash
payments made in lieu of issuing shares of Common Stock upon conversion of a
Debenture, after withholding for or on account of any present or future tax,
assessment or governmental charge imposed upon or as a result of such payment by
the United States or any political subdivision or taxing authority thereof or
therein, will not be less than the amount provided for in such Debenture or in
such coupon to be then due and payable; provided, however, that the foregoing
obligations to pay Additional Amounts shall not apply to any one or more of the
following:

                                       19
<PAGE>
 
     (a)  any tax, assessment or other governmental charge which would not have
been so imposed but for (i) the existence of any present or former connection
between such holder (or between a fiduciary, settlor, beneficiary, member or
stockholder of, or a person holding a power over, such holder, if such holder is
an estate, trust, partnership or corporation) and the United States, including,
without limitation, such holder (or such fiduciary, settlor, beneficiary,
member, stockholder or person holding a power) being or having been a citizen or
resident or treated as a resident thereof or being or having been engaged in a
trade or business therein or being or having been present therein or having or
having had a permanent establishment therein, (ii) such holder's present or
former status as a personal holding company, foreign personal holding company,
passive foreign investment company, foreign private foundation or other foreign
tax-exempt entity, or controlled foreign corporation for United States federal
income tax purposes or a corporation which accumulates earnings to avoid United
States federal income tax, or (iii) such holder's status as a bank extending
credit pursuant to a loan agreement entered into in the ordinary course of
business;

     (b)  any tax, assessment or other governmental charge which would not have
been so imposed but for the presentation by the holder of such Debenture or any
related coupon for payment on a date more than 10 days after the date on which
such payment became due and payable or on the date on which payment thereof is
duly provided, whichever occurs later;

     (c)  any estate, inheritance, gift, sales, transfer or personal or
intangible property tax or any similar tax, assessment or other governmental
charge;

     (d)  any tax, assessment or other governmental charge which would not have
been imposed but for the failure to comply with certification, information,
documentation or other reporting requirements concerning the nationality,
residence, identity or present or former connection with the United States of
the holder or beneficial owner of such Debenture or any related coupon if such
compliance is required by statute, regulation or ruling of the United States or
any political subdivision or taxing authority thereof or therein as a
precondition to relief or exemption from such tax, assessment or other
governmental charge;

     (e)  any tax, assessment or other governmental charge which is payable
otherwise than by deduction or withholding from payments of principal of and
premium, if any, or interest on such Debenture;

     (f)  any tax, assessment or other governmental charge imposed on interest
received by a person holding, actually or constructively, 10% or more of the
total combined voting power of all classes of stock of the Company entitled to
vote; or

     (g)  any tax, assessment or other governmental charge required to be
withheld by any paying agent from any payment of principal of, or premium, if
any, or interest on any Debenture or interest on any coupon appertaining thereto
if such payment can be made without such withholding by any other paying agent;
nor will Additional Amounts be paid with respect to payment of the principal of,
premium, if any, or interest on any such Debenture (or cash in lieu of issuance
of shares of Common Stock upon conversion) to a person other than the sole
beneficial owner of such payment, or that is a partnership or a fiduciary to the
extent such beneficial owner, member of such partnership or beneficiary or
settlor with respect to such fiduciary would not have been entitled to the
Additional Amounts had such beneficial owner, member, beneficiary or settlor
been the holder of such Debenture or any related coupon.

EVENTS OF DEFAULT

     The Indenture defines an Event of Default with respect to the Debentures as
any of the following events: (i) the failure by the Company to pay any
installment of interest on, or Additional Amounts with respect to, the
Debentures as and when the same becomes due and payable and the continuance of
any such failure for a period of 30 days, (ii) the failure by the Company to pay
all or any part of the principal of, or premium, if any, on the Debentures as
and when the same becomes due and payable at maturity, redemption, by
acceleration or otherwise, (iii) the failure of the Company to perform any
conversion of Debentures required under the Indenture and the continuance of any
such failure for a period of 60 days, (iv) the failure by the Company to observe
or perform any other covenant or agreement contained in the Debentures or the
Indenture and, subject to certain exceptions, the continuance of such failure
for a period of 60 days after appropriate written notice is given to the Company
by the Trustee or to the Company and the Trustee by the holders of at least 25%
in aggregate principal amount of the Debentures outstanding, (v) certain events
of bankruptcy, insolvency

                                       20
<PAGE>
 
or reorganization in respect of the Company or any of its subsidiaries, (vi) a
default in the payment of principal, premium or interest when due that extends
beyond any stated period of grace applicable thereto or an acceleration for any
other reason of the maturity of any Indebtedness of the Company or any of its
subsidiaries with an aggregate principal amount in excess of $10 million, and
(vii) final judgments not covered by insurance aggregating in excess of $2
million, at any one time rendered against the Company or any of its significant
subsidiaries and not satisfied, stayed, bonded or discharged within 60 days.

     The Debentures provide that if an Event of Default occurs and is
continuing, then the Company will provide notice thereof to the Trustee within
five Business Days after the Company becomes aware of such Event of Default, and
the Trustee shall then notify the holders of Debentures thereof within 90 days
after its receipt of notice from the Company. If an Event of Default occurs and
is continuing, the Trustee or the holders of 25% in aggregate principal amount
of the Debentures then outstanding may, by notice in writing to the Company (and
to the Trustee, if given by the holders) (an "Acceleration Notice"), declare all
principal and accrued interest thereon and Additional Amounts thereof, if any,
to be due and payable immediately.

     Prior to the declaration of acceleration of the maturity of the Debentures,
the holders of a majority in aggregate principal amount of the Debentures at the
time outstanding may waive on behalf of all the holders any default, except a
default in the payment of principal of or interest on any Debenture not yet
cured, or a default with respect to any covenant or provision that cannot be
modified or amended without the consent of the holder of each outstanding
Debenture affected. Subject to the provisions of the Indenture relating to the
duties of the Trustee, the Trustee is under no obligation to exercise any of its
rights or powers under the Indenture at the request, order or direction of any
of the holders, unless such holders have offered to the Trustee reasonable
security or indemnity. Subject to all provisions of the Indenture and applicable
law, the holders of a majority in aggregate principal amount of the Debentures
at the time outstanding have the right to direct the time, method and place of
conducting any proceeding for any remedy available to the Trustee, or exercising
any trust or power conferred on the Trustee.

LIMITATION ON MERGER, SALE OR CONSOLIDATION

     The Indenture provides that the Company may not, directly or indirectly,
consolidate with or merge with or into another person or sell, lease, convey or
transfer all or substantially all of its assets (computed on a consolidated
basis), whether in a single transaction or a series of related transactions, to
another Person or group of affiliated Persons, unless (i) either (a) in the case
of a merger or consolidation the Company is the surviving entity or (b) the
resulting, surviving or transferee entity is a corporation organized under the
laws of the United States, any state thereof or the District of Columbia and
expressly assumes by written agreement all of the obligations of the Company in
connection with the Debentures and the Indenture; and (ii) no default or Event
of Default shall exist or shall occur immediately after giving effect on a pro
forma basis to such transaction.

     Upon any consolidation or merger or any transfer of all or substantially
all of the assets of the Company in accordance with the foregoing, the successor
corporation formed by such consolidation or into which the Company is merged or
to which such transfer is made, shall succeed to, and be substituted for, and
may exercise every right and power of, the Company under the Indenture with the
same effect as if such successor corporation had been named therein as the
Company, and the Company will be released from its obligations under the
Indenture and the Debentures, except as to any obligations that arise from or as
a result of such transaction.

AMENDMENTS AND SUPPLEMENTS

     The Indenture contains provisions permitting the Company and the Trustee to
enter into a supplemental indenture for certain limited purposes without the
consent of the holders. With the consent of the holders of not less than a
majority in aggregate principal amount of the Debentures at the time
outstanding, the Company and the Trustee are permitted to amend or supplement
the Indenture or any supplemental indenture or modify the rights of the holders
or waive compliance by the Company with any provision of the Indenture or the
Debentures; provided, that no such amendment, supplement, modification or waiver
may, without the consent of each holder affected thereby: (i) change the Stated
Maturity of any Debenture or reduce the principal amount thereof or the rate (or
extend the time for payment) of interest thereon or any premium payable upon the
redemption thereof, or change the place of payment where, or the coin or
currency in which, any Debenture or any premium or the interest thereon is
payable, or impair the right to institute suit for the enforcement

                                       21
<PAGE>
 
of any such payment or the conversion of any Debenture on or after the due date
thereof (including, in the case of redemption, on or after the redemption date),
or reduce the redemption price, or alter the redemption or Change of Control
provisions in a manner adverse to the holders, (ii) reduce the percentage in
principal amount of the outstanding Debentures, the consent of whose holders is
required for any such amendment, supplemental indenture or waiver provided for
in the Indenture, (iii) adversely affect the right of such holder to convert
Debentures or (iv) modify any of the waiver provisions, except to increase any
required percentage or to provide that certain other provisions of the Indenture
cannot be modified or waived without the consent of the holder of each
outstanding Debenture affected thereby.

     Any instrument given by or on behalf of any holder of a Debenture in
connection with any consent to any such amendment, supplement, modification or
waiver will be irrevocable once given and will be conclusive and binding on all
subsequent holders of such Debenture and related coupons. Any amendment,
supplement, modification or waiver to the Indenture or to the terms and
conditions of the Debentures will be conclusive and binding on all holders of
Debentures and related coupons, whether or not they have given such consent or
were present at any meeting, and on holders of Debentures and related coupons,
whether or not notation of such amendment, supplement, modification or waiver is
made upon the Debentures or related coupons.

RULE 144A INFORMATION REQUIREMENT

     The Company has agreed to furnish to the holders or beneficial owners of
the Debentures or the underlying Common Stock and prospective purchasers of the
Debentures or the underlying Common Stock designated by the holders of the
Debentures or the underlying Common Stock, upon their request, the information
required to be delivered pursuant to Rule 144A(d)(4) under the Securities Act
until such time as such securities are no longer "restricted securities" within
the meaning of Rule 144 under the Securities Act.

REPORTS

     The Company shall deliver to the Trustee and to each holder of Debentures,
within 15 days after it is required to file such with the Commission, annual and
quarterly consolidated financial statements substantially equivalent to
financial statements required to be included in reports filed with the
Commission including, with respect to annual information only, a report thereon
by the Company's certified independent public accountants as such is required in
such reports to the Commission, in each case, together with managements
discussion and analysis of financial condition and results of operations.

NOTICES

     Notices to holders of the Debentures will be given by publication in a
leading daily newspaper in the English language of general circulation in The
City of New York and in London and, so long as the Debentures are listed on the
Luxembourg Stock Exchange, in a daily newspaper of general circulation in
Luxembourg or, if publication in either London or Luxembourg is not practical,
in Europe. Such publication is expected to be made in The Wall Street Journal
(Eastern Edition), the Financial Times and the Luxembourg Wort. In addition,
notices to holders of Registered Debentures will be given by mail to the
addresses of such holders as they appear in the register maintained by the
Trustee on the fifteenth day prior to such mailing. Such notices will be deemed
to have been given on the date of such publication or mailing or, if published
in such newspapers on different dates, on the date of the first such
publication.

REPLACEMENT OF DEBENTURES AND RELATED COUPONS

     Debentures (including related coupons, if any) that become mutilated,
destroyed, stolen or lost will be replaced by the Company at the expense of the
holder thereof upon delivery to the Trustee of the Debentures and related
coupons or evidence of the loss, theft or destruction thereof satisfactory to
the Company and the Trustee. In the case of a lost, stolen or destroyed
Debenture or related coupon, an indemnity satisfactory to the Company and the
Trustee may be required at the expense of the holder of such Debenture or
related coupon before a replacement Debenture or related coupon, as the case may
be, will be issued.

                                       22
<PAGE>
 
GOVERNING LAW

     The Debentures, the related coupons and the Indenture are governed by and
construed in accordance with the laws of the State of New York, without giving
effect to its conflicts of law rules.

MARKETABILITY; REGISTRATION RIGHTS

     Prior to the offering hereby, there has been no public market for the
Debentures, and it is likely that only a limited market will develop. The
Debentures were sold pursuant to exemptions from registration under the
Securities Act.

CERTAIN DEFINITIONS

     "Business Day" means, with respect to any act to be performed pursuant to
the Indenture or the terms of the Debentures, each Monday, Tuesday, Wednesday,
Thursday or Friday that is not a day on which banking institutions in the place
where such act is to occur are authorized or obligated by applicable law,
regulation or executive order to close.

     "Capital Stock" means, with respect to any corporation, any and all shares,
interests, rights to purchase (other than convertible or exchangeable
indebtedness), warrants, options, participations or other equivalents of or
interests (however designated) in stock issued by that corporation.

     "Indebtedness" of any person means, without duplication, (a) all
liabilities and obligations, contingent or otherwise, of any such person, (i) in
respect of borrowed money (whether or not the recourse of the lender is to the
whole of the assets of such person or only to a portion thereof), (ii) evidenced
by bonds, notes, debentures or similar instruments, (iii) representing the
balance deferred and unpaid of the purchase price of any property or services,
except such as would constitute trade payables to trade creditors in the
ordinary course of business that are not more than 90 days past their original
due date, (iv) evidenced by bankers acceptances or similar instruments issued or
accepted by banks, (v) for the payment of money relating to a capitalized lease
obligation, or (vi) evidenced by a letter of credit or a reimbursement
obligation of such person with respect to any letter of credit; (b) all net
obligations of such person under interest swap and hedging obligations; (c) all
liabilities of others of the kind described in the preceding clauses (a) or (b)
that such person has guaranteed or that is otherwise its legal liability and all
obligations to purchase, redeem or acquire any Capital Stock; and (d) any and
all deferrals, renewals, extensions, refinancings and refundings (whether direct
or indirect) of any liability of the kind described in any of the preceding
clauses (a), (b) or (c), or this clause (d), whether or not between or among the
same parties.

     "Junior Securities" of any person means any Capital Stock and any
Indebtedness of such person that is (i) subordinated in right of payment to the
Debentures and has no scheduled installment of principal due, by redemption,
sinking fund payment or otherwise, on or prior to the Stated Maturity of the
Debentures and (ii) subordinated in right of payment to all Senior Indebtedness
at least to the same extent as the Debentures.

     "Obligations" means any principal, premium, interest, penalties, fees,
indemnifications, reimbursements, damages and other liabilities payable under
the documentation governing any Senior Indebtedness.

     "Senior Indebtedness" of the Company means any principal, premium, if any,
and interest or other monetary obligation, whether outstanding on the date of
the Indenture or thereafter incurred or created, on (a) any indebtedness of
Veterinary Centers of America, Inc. (excluding the Debentures and indebtedness
ranking pari passu with or subordinate to the Debentures pursuant to the terms
of the instrument creating or evidencing such indebtedness, but including
guarantees given by the Company), and (b) any and all deferrals, renewals,
extensions, refundings, refinancings (whether direct or indirect) of any such
indebtedness. Notwithstanding the foregoing, in no event shall Senior
Indebtedness include (a) indebtedness of the Company owed or owing to any
subsidiary of the Company or any officer, director or employee of the Company or
any subsidiary thereof or (b) any liability for taxes owed or owing by the
Company.

     "Stated Maturity" when used with respect to any Debenture, means May 1,
2006.

                                       23
<PAGE>
 
                         DESCRIPTION OF CAPITAL STOCK

     The total number of shares that the Company is authorized to issue is
31,000,000, consisting of 30,000,000 shares of Common Stock, par value $0.001
per share, and 1,000,000 shares of Preferred Stock, par value $0.001 per share.
The following statements are brief summaries of certain provisions relating to
the Company's capital stock.

COMMON STOCK

     The holders of Common Stock are entitled to one vote for each share held of
record on all matters to be voted on by the stockholders. The holders of Common
Stock are entitled to receive ratably dividends when, as and if declared by the
Board of Directors out of funds legally available therefor. In the event of a
liquidation, dissolution or winding up of the Company, the holders of Common
Stock are entitled to share ratably in all assets remaining available for
distribution to them after payment of liabilities and after provision is made
for each class of stock, if any, having preference over the Common Stock.

     The holders of Common Stock, as such, have no conversion, preemptive or
other subscription rights and there are no redemption provisions applicable to
the Common Stock. All the outstanding shares of Common Stock are, and the shares
of Common Stock to be issued on conversion of the Debentures offered hereby will
be, validly issued, fully paid and nonassessable.

     The Company distributes periodic reports and other information, including
notices of annual meetings and special meetings of the stockholders of the
Company, to recordholders of Common Stock to the addresses indicated on the
Company's stock records.

REDEEMABLE WARRANTS

     At December 31, 1995, there were 1,968,492 shares of Common Stock issuable
upon exercise of outstanding warrants (the "Redeemable Warrants"). The
Redeemable Warrants were issued in registered form pursuant to an agreement,
dated October 10, 1991 (the "Warrant Agreement"), between the Company and
Continental Stock Transfer & Trust Company (the "Warrant Agent"). The following
discussion of certain terms and provisions of the Redeemable Warrants is
qualified in its entirety by reference to the detailed provisions of the Warrant
Agreement.

     One Redeemable Warrant represents the right of the registered holder to
purchase one share of Common Stock at an exercise price of 120% of the initial
offering price of the Common Stock per share, subject to adjustment (the
"Purchase Price"). The Redeemable Warrants are entitled to the benefit of
adjustments in the Purchase Price and in the number of shares of Common Stock
and/or other securities deliverable upon the exercise thereof in the event of a
stock dividend, stock split, reclassification, reorganization, consolidation or
merger. The Company has the right to reduce the Purchase Price or increase the
number of shares of Common Stock issuable upon the exercise of the Redeemable
Warrants.

     Unless previously redeemed, the Redeemable Warrants may be exercised at any
time commencing April 10, 1992 and prior to the close of business on October 10,
1996 (the "Expiration Date"). On and after the Expiration Date, the Redeemable
Warrants become wholly void and of no value. The Company may at any time extend
the Expiration Date of all outstanding Redeemable Warrants for such increased
period of time as it may determine. The Redeemable Warrants may be exercised at
the office of the Warrant Agent.

     The Company has the right at any time after April 10, 1992 to redeem the
Redeemable Warrants in whole for cancellation at a price of $0.20 each, by
written notice mailed thirty days prior to the redemption date to each
Redeemable Warrant holder at his address as it appears on the books of the
Warrant Agent. Such notice may be given within ten days following any period of
twenty consecutive trading days during which the high closing bid of the shares
of Common Stock on the Nasdaq National Market exceeds a per share price equal to
$9.00 (150% of the initial public offering price of the Common Stock), subject
to adjustments for stock dividends, stock splits and the like. If the Redeemable
Warrants are called for redemption, they must be exercised prior to the close of
business on the date of any such redemption or the right to purchase the
applicable shares of Common Stock is forfeited.

                                       24
<PAGE>
 
     No holder, as such, of Redeemable Warrants is entitled to vote or receive
dividends or be deemed the holder of shares of Common Stock for any purpose
whatsoever until such Redeemable Warrants have been duly exercised and the
Purchase Price has been paid in full.

     If required, the Company will file a new registration statement with the
Commission with respect to the securities underlying the Redeemable Warrants
prior to the exercise of the Redeemable Warrants and deliver a prospectus with
respect to such securities to all Redeemable Warrant holders as required by
Section 10(a)(3) of the Securities Act.

PREFERRED STOCK

     The Board of Directors has the authority to issue the authorized and
unissued Preferred Stock in one or more series with such designations, rights
and preferences as may be determined from time to time by the Board of
Directors. Accordingly, the Board of Directors is empowered, without stockholder
approval, to issue Preferred Stock with dividend, liquidation, conversion,
voting or other rights which could adversely affect the voting power or other
rights of the holders of the Common Stock.

     On December 22, 1992, the Company completed the sale of 583,333 shares of
Series A Convertible Preferred Stock, par value $0.001 per share (the "Series A
Shares") for net proceeds of $2,985,000. The Series A Shares are convertible
into 583,333 shares of the Company's Common Stock commencing December 22, 1997.
The Series A Shares participate in any dividend payments on the Company's Common
Stock on an as converted basis. The Series A Shares have a liquidation
preference of $5.14 per share and are callable by the Company any time after
March 22, 1998 at a price of $5.14 per share. The Series A Shares have no voting
rights, other than certain protective rights in the event of an adverse change
in the rights, preferences of privileges or the Series A Shares as provided by
the Delaware law.

     As a result of the issuance of the Series A Shares, 416,667 shares of
Preferred Stock remain authorized and unissued and may be issued in one or more
series with such designations, rights and preferences as may be determined from
time to time by the Board of Directors. In the event of issuance, the Preferred
Stock could be utilized under certain circumstances as a way of discouraging,
delaying or preventing an acquisition or change in control of the Company. The
Company does not currently intend to issue any shares of its Preferred Stock.

VRI WARRANTS

     In connection with the formation of Vet Research Laboratories, LLC ("VRI"),
the Company issued warrants to purchase 363,636 shares of the Common Stock of
the Company at $11.00 per share (the "VRI Warrants"). At March 31, 1996, there
were 179,636 shares of Common Stock issuable upon exercise of outstanding VRI
Warrants. The warrants were purchased at $0.001 per share and are exercisable
until the fifth day following the last day upon which the Company is permitted
to close the purchase of VRI's interest in Vet Laboratories pursuant to the VCA
Option Agreement. On April 26, 1995, the Company filed a Registration Statement
on Form S-3 with respect to the shares of Common Stock issuable upon exercise of
the VRI Warrants. Holders of the VRI Warrants agreed to a restriction upon the
sale of any shares issuable upon exercise of the VRI Warrants which will lapse
with respect to 50,000 shares issuable to each of the two holders upon exercise
of the VRI Warrants at the time of exercise and with respect to an additional
50,000 shares every ninety days thereafter, but which in any event will lapse
entirely on April 30, 1997.

ANTI-TAKEOVER PROVISIONS

     The Company's Certificate of Incorporation and Bylaws include a number of
provisions which may have the effect of discouraging persons from pursuing non-
negotiated takeover attempts. These provisions include a classified Board of
Directors, the inability of stockholders to take action by written consent
without a meeting, the inability of stockholders to call for a special meeting
of stockholders under certain circumstances without the approval of the Board
and the inability of stockholders to remove directors without cause. The
Certificate of Incorporation also contains a provision that requires a 66 2/3
percent vote to amend any of the previously discussed provisions. In addition,
H.J. Heinz Company has an option to purchase the Company's interest in the Vet's
Choice joint venture upon the occurrence of a change in control (as defined in
the joint venture agreement).

                                       25
<PAGE>
 
SECTION 203 OF THE DELAWARE LAW

     The Company is a Delaware corporation and is subject to Section 203 of the
Delaware law. Section 203 of the Delaware law prevents an "interested
stockholder" (defined generally as a person owning 15% or more of a
corporation's outstanding voting stock or an affiliate of such person) from
engaging in a "business combination" (as defined) with a Delaware corporation
for three years following the date such person became an interested stockholder
unless (i) before such person became an interested stockholder, the board of
directors of the corporation approved the transaction in which the interested
stockholder became an interested stockholder or approved the business
combination; (ii) upon consummation of the transaction that resulted in the
interested stockholder becoming an interested stockholder, the interested
stockholder owns at least 85% of the voting stock of the corporation outstanding
at the time the transaction commenced (excluding stock held by directors who are
also officers of the corporation and employee stock plans that do not provide
employees with the right to determine confidentially whether shares held subject
to the plan will be tendered in a tender or exchange offer); or (iii) following
the transaction in which such person became an interested stockholder, the
business combination is approved by the board of directors of the corporation
and authorized at a meeting of stockholders by vote of the holders of two-thirds
of the outstanding voting stock of the corporation not owned by the interested
stockholder. Under Section 203 of the Delaware law, the restrictions described
above also do not apply to certain business combinations proposed by an
interested stockholder following the announcement or notification of one of
certain extraordinary transactions involving the corporation and a person who
had not been an interested stockholder during the previous three years or became
an interested stockholder with the approval of a majority of the corporation's
directors. The provisions of Section 203 of the Delaware law requiring a
supermajority vote of disinterested shares to approve certain corporate
transactions could enable a minority of the Company's stockholders to exercise
veto power over such transactions.

TRANSFER AGENT

     The Company's transfer agent and registrar for the Common Stock, and
warrant agent for the Redeemable Warrants, is Continental Stock Transfer & Trust
Company, 2 Broadway, New York, New York, 10004.

                                       26
<PAGE>
 
                 SELLING STOCKHOLDERS AND PLAN OF DISTRIBUTION

     The Debentures were issued by the Company on April 17, 1996, in a private
placement pursuant to Rule 144A and Regulation D under the Securities Act. The
following table sets forth, as of June 12, 1996, the name of each beneficial
owner of the Debentures identified to the Company and the principal amount of
the Debentures owned, and that may be sold, by each such beneficial owner as of
the date hereof, based upon information furnished to the Company:

<TABLE>
<CAPTION>
 
                                        Principal Amount      Principal Amount      Percentage of
                                         of Debentures       of Debentures That      Outstanding
                Name                         Owned            May Be Sold            Debentures
- -----------------------------------     ----------------     -----------------      -------------
<S>                                     <C>                  <C>                    <C>
Bank of New York                             $   580,000           $   580,000            1.56%
Bankers Trust Company                          5,465,000             5,465,000           14.73
Bear Stearns Securities                        1,200,000             1,200,000            3.23
Bankers Trust Company/NatWest                    
 Securities, Ltd.                                450,000               450,000            1.21 
Boston Safe Deposit & Trust Co.                  245,000               245,000            0.66
The Bank of Tokyo Trust Company                  500,000               500,000            1.35
The Chase Manhattan Bank, N.A.                 5,200,000             5,200,000           14.02
Corestates Bank, N.A.                            500,000               500,000            1.35
Fleet Bank of Massachusetts, N.A.                 30,000                30,000               *
Goldman, Sachs & Co.                           2,700,000             2,700,000            7.28
Lehman Brothers, Inc.                          2,575,000             2,575,000            6.94
NatWest Securities Corporation                 1,100,000             1,100,000            2.96
Northern Trust Co.-Trust                         160,000               160,000            0.43
Paine Webber, Inc.                             3,125,000             3,125,000            8.42
PNC National Association                         450,000               450,000            1.21
Republic New York Securities Corp.               250,000               250,000            0.67
SSB-Custodian                                 11,200,000            11,200,000           30.19
Trust Company Bank                                50,000                50,000               *
Wachovia Bank North Carolina                     120,000               120,000            0.32
Wagner, Stott & Co.                              750,000               750,000            2.02
</TABLE>  

- --------------
*Less than 1%.


     Additional Selling Security Holders may be identified and other information
concerning Selling Security Holders may be set forth in Prospectus Supplements
from time to time.

     Other than by ownership of the Debentures or Common Stock, none of the
Selling Security Holders has had any material relationship with the Company
within the past three years.

     Because the Selling Security Holders may offer all or only some of the
Debentures that they now hold and/or shares of Common Stock issued upon
conversion thereof in the offering contemplated by this Prospectus and because
there are presently no agreements, arrangements or understandings concerning the
sale of any of the Debentures or shares of Common Stock issuable upon conversion
thereof, no estimate can be given about the principal amount of Debentures or
shares of Common Stock that will be held by the Selling Security Holders after
completion of this offering. See "Plan of Distribution" herein.

                                       27
<PAGE>
 
                             PLAN OF DISTRIBUTION

     The Company will not receive any of the proceeds from this offering. The
Selling Security Holders may sell all or a portion of the Debentures and shares
of Common Stock issuable upon conversion thereof from time to time directly to
purchasers or through agents, dealers (who may act as principals for their own
account) or underwriters on terms to be determined at the times of such sales.
Any agent, dealer or underwriter through whom Debentures or shares of Common
Stock are sold may receive compensation in the form of underwriting discounts,
commissions or concessions from the Selling Security Holders and/or the
purchasers of the Debentures or shares of Common Stock for whom they act as
agent. To the extent required, the principal amount of the Debentures or the
number of shares of Common Stock to be sold, the offering price thereof, the
name of each Selling Security Holder and each agent, dealer and underwriter, if
any, and any applicable discounts or commissions concerning a particular
offering will be set forth in an accompanying Prospectus Supplement. The
aggregate proceeds to the Selling Security Holders from the Debentures and
shares of Common Stock offered by the Selling Security Holders hereby will be
the offering price of such Debentures and shares of Common Stock less applicable
commissions or discounts.

     There is no assurance that the Selling Security Holders will sell any of
the Debentures or shares of Common Stock offered hereby.

     In order to comply with the securities laws of certain States or other
jurisdictions, if applicable, the Debentures and shares of Common Stock will be
sold in such jurisdictions only through registered or licensed brokers or
dealers. In addition, in certain States or other jurisdictions the Debentures
and shares of Common Stock may not be sold unless they have been registered or
qualified for sale under the securities laws of such jurisdictions or an
exemption from the registration and qualification requirements of such laws is
available and the conditions of such exemption are satisfied.

     The Selling Security Holders and any broker-dealers, agents or underwriters
that participate with the Selling Security Holders in the distribution of the
Debentures or shares of Common Stock may be deemed to be "underwriters" within
the meaning of the Securities Act, in which case any commissions received by
such broker-dealers, agents or underwriters and any profit on the resale of the
Debentures or shares of Common Stock purchased by them may be deemed to be
underwriting commissions or discounts under the Securities Act.

     Under applicable rules and regulations under the Exchange Act, any person
engaged in the distribution of the Debentures or shares of Common Stock offered
hereby may not simultaneously engage in market making activities for either the
Debentures or the Common Stock for a period of nine business days (in the case
of the Debentures) or two business days (in the case of the Common Stock) prior
to the commencement of such distribution. In addition, each Selling Security
Holder and any other person who participates in a distribution of the Debentures
or shares of Common Stock will be subject to applicable provisions of the
Exchange Act and the rules and regulations thereunder, including Rules 10b-2,
10b-6 and 10b-7, which provisions may limit the timing of purchases and sales of
Debentures or shares of Common Stock by the Selling Security Holders. The
applicable provisions of the Exchange Act and the rules and regulations
thereunder may effect the marketability of the Debentures and shares of Common
Stock and the ability of any person to engage in market making activities for
the Debentures or shares of Common Stock.

     To the Company's knowledge, no person presently intends to make a market in
the Debentures.

     Pursuant to the Indenture, the Company will pay all expenses incident to
the preparation and filing of the Registration Statement.

                                 LEGAL MATTERS

     The validity of the Debentures and the Common Stock offered hereby will be
passed upon for the Company by Troop Meisinger Steuber & Pasich, LLP, Los
Angeles, California.

                                       28
<PAGE>
 
                                    EXPERTS

     The audited consolidated financial statements of VCA, the audited
supplemental combined financial statements of VCA, the audited financial
statements of Southwest Veterinary Diagnostic, Inc. and the audited financial
statements of Pets' Rx, Inc. incorporated by reference in this Prospectus and
elsewhere in the Registration Statement, to the extent and for the periods
indicated, have been audited by Arthur Andersen LLP, independent public
accountants, as indicated in their reports with respect thereto, and are
included herein in reliance upon the authority of said firm as experts in giving
said reports.

     The financial statements of Pet Practice incorporated by reference in this
Prospectus and elsewhere in the Registration Statement have been audited by
Price Waterhouse LLP, independent accountants, as set forth in its report
thereon appearing elsewhere herein. Such financial statements have been so
included in reliance on such report, given on the authority of said firm as
experts in auditing and accounting.

     The financial statements of Pets' Rx as of and for each of the two years in
the period ended December 31, 1994 incorporated by reference in this Prospectus
have been so included in reliance on the report of Price Waterhouse LLP,
independent accountants, given on the authority of said firm as experts in
auditing and accounting.

                                       29
<PAGE>
 
PART II.  INFORMATION NOT REQUIRED IN PROSPECTUS


ITEM 14.  OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION.

          The estimated expenses in connection with the offering are as follows:

<TABLE>
<CAPTION>

                                                    Amount
                                                    ------
<S>                                                 <C>
Registration Fee Under Securities Act of 1933...    $12,794
NASD Filing Fee.................................    $17,500
Blue Sky Fees and Expenses......................    $  *
Printing and Engraving Certificates.............    $  *
Legal Fees and Expenses.........................    $ 2,000
Accounting Fees and Expense.....................    $  *
Registrar and Transfer Agent Fees...............    $  *
Miscellaneous Expenses..........................    $  *
                                                    -------
          TOTAL.................................    $32,294
                                                    =======
</TABLE>

- --------------
* Not applicable or none.

ITEM 15.  INDEMNIFICATION OF DIRECTORS AND OFFICERS.

          Section 145 of the Delaware General Corporation Law provides that the
Company may indemnify an officer or director who is made a party to a
"proceeding" (including a law suit or derivative action) because of his
position, if he acted in good faith in a manner he reasonably believed to be in
or not opposed to the best interests of the Company and, with respect to any
criminal action or proceeding, had no reasonable cause to believe that his
conduct was unlawful, and may advance expenses incurred in defending any
proceeding in certain cases. If the director or officer is successful on the
merits or otherwise, he must be indemnified against all expenses actually and
reasonably incurred. If the officer or director is adjudged liable, indemnity
can be made only by court order.

     The Company has also entered into an indemnity agreement (the "Indemnity
Agreement") with its directors which provides for mandatory indemnity of an
officer or director made party to a "proceeding" by reason of the fact that he
or she is or was a director of the Company, if he or she acted in good faith and
in a manner he or she reasonably believed to be in or not opposed to the best
interests of the Company. The Indemnity Agreement also obligates the Company to
advance expenses to a director provided that he or she is not entitled to
partial indemnification. Directors are also entitled to partial indemnification,
and indemnification for expenses incurred as a result of acting at the request
of the Company as a director, officer or agent of an employee benefit plan or
other partnership, corporation, joint venture, trust or other enterprise owned
or controlled by the Company.

     Insofar as indemnification for liabilities arising under the Securities Act
of 1933, as amended (the "Act"), may be permitted to directors, officers and
controlling persons of the Company pursuant to the above statutory provisions or
otherwise, the Company has been advised that in the opinion of the Securities
and Exchange Commission such indemnification is against public policy as
expressed in the Act and is, therefore, unenforceable.
<PAGE>
 
ITEM 16.  EXHIBITS AND FINANCIAL STATEMENT SCHEDULES.

          See the Exhibit Index of this Registration Statement.

ITEM 17.  UNDERTAKINGS.

          Insofar as indemnification for liabilities arising under the
Securities Act may be permitted to directors, officers and controlling persons
of the Registrant pursuant to the foregoing provisions, or otherwise, the
Registrant has been advised that in the opinion of the Exchange Commission such
indemnification is against public policy as expressed in the Act and is,
therefore, unenforceable. In the event that a claim for indemnification against
such liabilities (other than the payment by the Registrant of expenses incurred
or paid by a director, officer or controlling person of the Registrant in the
successful defense of any action, suit or proceeding) is asserted by such
director, officer or controlling person in connection with the securities being
registered, the Registrant will, unless in the opinion of its counsel the matter
has been settled by controlling precedent, submit to the appropriate
jurisdiction the question of whether such indemnification by it is against
public policy as expressed in the Securities Act and will be governed by the
final adjudication of such issue.

          The undersigned Registrant hereby undertakes:

          (1)  To file, during any period in which offers or sales are being
made, a post-effective amendment to this Registration Statement to include any
material information with respect to the plan of distribution not previously
disclosed in the Registration Statement or any material change to such
information in the Registration Statement;

          (2)  That, for the purpose of determining liability under the
Securities Act, each such post-effective amendment shall be deemed to be a new
Registration Statement relating to the securities offered therein, and the
offering of such securities at that time shall be deemed to be the initial bona
fide offering thereof; and

          (3)  To remove from registration by means of a post-effective
amendment any of the securities being registered which remain unsold at the
termination of the offering.

          The undersigned Registrant hereby undertakes that, for purposes of
determining any liability under the Securities Act, each filing of the
Registrant's annual report pursuant to Section 13(a) or 15(d) of the Exchange
Act (and, where applicable, each filing of an employee benefit plan's annual
report pursuant to Section 15(d) of the Exchange Act) that is incorporated by
reference in the registration statement shall be deemed to be a new Registration
Statement relating to the securities offered therein, and the offering of such
securities at that time shall be deemed to be the initial bona fide offering
thereof.

          The undersigned Registrant hereby undertakes to file an application
for the purpose of determining the eligibility of the Trustee to act under
subsection (a) of Section 310 of the Trust Indenture Act of 1939, as amended
(the "Trust Indenture Act"), in accordance with the rules and regulations
prescribed by the Commission under Section 305(b)(2) of the Trust Indenture Act.
<PAGE>
 
                                  SIGNATURES

          Pursuant to the requirements of the Securities Act of 1933, the
Registrant certifies that it has reasonable grounds to believe that it meets all
of the requirements for filing on Form S-3 and has duly caused this Registration
Statement to be signed on its behalf by the undersigned, thereunto duly
authorized, in Los Angeles, State of California, on July 17, 1996.

                                        VETERINARY CENTERS OF AMERICA, INC.
                                        (Registrant)


                                        By: /s/ Robert L. Antin
                                            ----------------------------
                                            Robert L. Antin
                                            Chairman of the Board and
                                            Chief Executive Officer

                               POWER OF ATTORNEY

          KNOW ALL BY THESE PRESENTS, that each person whose signature appears
below constitutes and appoints Robert L. Antin and Tomas W. Fuller and each of
them, his attorney-in-fact and agent, with full power of substitution, for him
in any and all capacities, to sign any amendments to this Registration
Statement, and to file the same, with exhibits thereto and other documents in
connection therewith, with the Securities and Exchange Commission, hereby
ratifying and confirming all that each of said attorneys-in-fact, or his
substitute, may do or cause to be done by virtue hereof.

          Pursuant to the requirements of the Securities Act of 1933, this
Registration Statement has been signed below by the following persons on behalf
of the Registrant and in the capacities and on the dates indicated.

<TABLE>
<CAPTION>
 
       Signature                  Title                       Date
       ---------                  -----                       ----
<S>                              <C>                                 <C>
/s/ Robert L. Antin              Chairman of the Board and           July 17, 1996
- ------------------------         Chief Executive Officer
Robert L. Antin

/s/ Arthur J. Antin              Chief Operating Officer, Senior     July 17, 1996
- ------------------------         Vice President and Director
Arthur J. Antin
                                 Senior Vice President,              July __, 1996
- ------------------------         Treasurer and Director
Neil Tauber

/s/ Tomas W. Fuller              Vice President, Chief Financial     July 17, 1996
- ------------------------         Officer and Assistant Secretary
Tomas W. Fuller

/s/ Deborah W. Moore             Vice President, Chief               July 17, 1996
- ------------------------         Accounting Officer
Deborah W. Moore

/s/ John A. Heil                 Director                            July 17, 1996
- ------------------------
John A. Heil

/s/ John Chickering              Director                            July 17, 1996
- ------------------------
John Chickering

/s/ Richard Gillespie            Director                            July 17, 1996
- ------------------------
Richard A. Gillespie
</TABLE>
<PAGE>
 
                                 EXHIBIT INDEX

<TABLE> 
<CAPTION> 

 No.       Item                                                           Page
 ---       ----                                                           ---- 
 <S>       <C>                                                            <C> 
 1.1       Subscription Agreement

 4.1       Indenture(1)

 5.1       Opinion of Troop Meisinger Steuber & Pasich, LLP

 23.1      Consent of Arthur Andersen LLP

 23.2      Consent of Price Waterhouse LLP

 23.3      Consent of Price Waterhouse LLP

 23.4      Consent of Troop Meisinger Steuber & Pasich, LLP (included 
           in Exhibit 5.1)

 25.1      Statement of Eligibility of Trustee
</TABLE> 

- --------------
(1)        Incorporated by reference from Registrant's Registration Statement on
           Form S-4, File No. 333-6667

<PAGE>
 
                                                                     EXHIBIT 1.1

                      VETERINARY CENTERS OF AMERICA, INC.

                               U.S. $80,000,000

              5.25% Convertible Subordinated Debentures due 2006



                            SUBSCRIPTION AGREEMENT
                            ----------------------



                                                                   April 3, 1996


 NATWEST SECURITIES LIMITED
 135 Bishopsgate
 London EC2M 3XT
 England

 Ladies and Gentlemen:

         Veterinary Centers of America, Inc., a Delaware corporation (the
 "Company"), proposes to issue and sell to the subscribers named on Schedule I
 hereto (the "Managers") U.S. $80,000,000 aggregate principal amount of 5.25%
 Convertible Subordinated Debentures due 2006 (the "Firm Debentures"), which are
 convertible into common stock of the Company, par value $0.001 per share (the
 "Common Stock"), at a conversion price of U.S. $34.35 per share, subject to
 adjustment under certain circumstances, and having such other terms as set
 forth on Schedule III hereto.  In addition, the Company shall, at the option
 (the "Option") of NatWest Securities Limited (the "Lead Manager"), issue and
 sell to the Managers up to an additional U.S. $12,000,000 aggregate principal
 amount of 5.25% Convertible Subordinated Debentures due 2006 on the terms and
 conditions and for the purposes set forth in Section 2 (the "Option
 Debentures").  The Firm Debentures and, if purchased, the Option Debentures are
 hereinafter collectively referred to as the "Debentures."  The issuance and
 sale of the Debentures is hereinafter referred to as the "Offering."  The
 Debentures are to be issued pursuant to an Indenture (the "Indenture") to be
 dated as of April 17, 1996, between the Company and The Chase Manhattan Bank,
 N.A. (or such other money center bank acceptable to the Company and the Lead
 Manager), as trustee (the "Trustee").  The shares of Common Stock issuable upon
 conversion of the Debentures are hereinafter collectively referred to as the
 "Conversion Shares."

         The Company hereby confirms its agreement with the several Managers as
         follows:

         1.    Agreement to Sell and Purchase.
               ------------------------------ 

               (a)  On the basis of the representations and warranties contained
 in, and subject to the terms and conditions of, this Agreement, (i) the Company
 agrees to issue and sell to the Managers the Firm Debentures and (ii) each of
 the Managers, jointly and severally, agrees to subscribe and pay for or procure
 the subscription and payment for the Firm Debentures, on the Initial Closing
 Date (as defined in Section 3) at a subscription price (the "Initial
 Subscription Price") of 100% of the principal amount of the Firm Debentures
 plus accrued interest, if any, from April 17, 1996, less a selling concession
 of 1.5% and a combined management and underwriting fee of 1% of the aggregate
 proceeds to the Company from the sale of the Firm Debentures.

               (b)  The Company hereby grants the Option to the several Managers
 to purchase, jointly and severally, the Option Debentures at the same price per
 Option Debenture as the Managers shall pay for the Firm Debentures. The Option
 may be exercised only to cover over-allotments in the sale of the Firm
 Debentures by the Managers and may be exercised in whole or in part at any time
 and from time to time on or before the date that is 30 days
<PAGE>
 
 after the date hereof (or the next business day if the 30th day is not a
 business day) upon notice (the "Option Debentures Notice") in writing or by
 telephone (confirmed in writing) by the Lead Manager to the Company setting
 forth the aggregate principal amount of the Option Debentures to be purchased
 and the date of each such purchase (each such date, an "Option Closing Date").
 The Initial Closing Date and Option Closing Dates are sometimes herein referred
 to respectively as the related "Closing Dates".  On each Option Closing Date,
 the Company will issue and sell to the Managers the principal amount of Option
 Debentures set forth in the related Option Debentures Notice and the Managers
 each jointly and severally agree to purchase such Option Debentures, and that
 each Manager will purchase such percentage of the related Option Debentures as
 is equal to the percentage of Firm Debentures that such Manager is to purchase
 on the Initial Closing Date, as adjusted by the Lead Managers in such manner as
 they may agree is advisable to avoid fractional Debentures.

               (c)  The Debentures are to be offered and sold to the Managers
 pursuant to an exemption from the registration requirements of the Securities
 Act of 1933, as amended (the "Securities Act").  Upon original issuance
 thereof, and until such time as the same is no longer required under the
 applicable requirements of the Securities Act, the Restricted Debentures (as
 hereinafter defined) and any Conversion Shares issued upon conversion of the
 Restricted Debentures, shall bear the following legend:

               "THE SECURITIES EVIDENCED HEREBY HAVE NOT BEEN REGISTERED UNDER
         THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES
         ACT"), OR ANY STATE SECURITIES LAWS AND NEITHER THIS SECURITY NOR ANY
         INTEREST OR PARTICIPATION HEREIN MAY BE OFFERED, SOLD, ASSIGNED,
         TRANSFERRED, PLEDGED, ENCUMBERED OR OTHERWISE DISPOSED OF IN THE
         ABSENCE OF SUCH REGISTRATION UNLESS SUCH TRANSACTION IS EXEMPT FROM, OR
         NOT SUBJECT TO, REGISTRATION. EACH PURCHASER OF THIS SECURITY IS HEREBY
         NOTIFIED THAT THE SELLER MAY BE RELYING ON THE EXEMPTION FROM THE
         PROVISIONS OF SECTIONS OF THE SECURITIES ACT PROVIDED BY RULE 144A
         THEREUNDER. THE HOLDER OF THIS SECURITY, BY ITS ACCEPTANCE HEREOF,
         REPRESENTS, ACKNOWLEDGES AND AGREES FOR THE BENEFIT OF THE COMPANY
         THAT:

         I.    IT HAS ACQUIRED A "RESTRICTED" SECURITY WHICH HAS NOT BEEN
               REGISTERED UNDER THE SECURITIES ACT;

         II.   IT WILL NOT OFFER, SELL OR OTHERWISE TRANSFER THIS SECURITY,
               PRIOR TO THE DATE WHICH IS THREE YEARS (OR SUCH SHORTER PERIOD AS
               SHALL BE PERMITTED AS A RESULT OF AN AMENDMENT TO THE RULES UNDER
               THE SECURITIES ACT IN RESPECT THEREOF) AFTER THE LATER OF THE
               DATE OF ORIGINAL ISSUANCE HEREOF AND THE LAST DATE ON WHICH THE
               COMPANY OR ANY AFFILIATED PERSON OF THE COMPANY WAS THE OWNER OF
               THIS SECURITY (OR ANY PREDECESSOR OF SUCH SECURITY) (THE "RESALE
               RESTRICTION TERMINATION DATE") EXCEPT:

               (A)  TO THE COMPANY;

               (B)  PURSUANT TO A REGISTRATION STATEMENT WHICH HAS BEEN DECLARED
                    EFFECTIVE UNDER THE SECURITIES ACT;

               (C)  FOR SO LONG AS THIS SECURITY IS ELIGIBLE FOR RESALE PURSUANT
                    TO RULE 144A, TO A PERSON WHO THE SELLER REASONABLY BELIEVES
                    IS A "QUALIFIED INSTITUTIONAL BUYER" (AS DEFINED IN RULE
                    144A UNDER THE SECURITIES ACT) IN A TRANSACTION MEETING THE
                    REQUIREMENTS OF RULE 144A;

               (D)  PURSUANT TO OFFERS AND SALES THAT OCCUR OUTSIDE THE UNITED
                    STATES WITHIN THE MEANING OF REGULATION S UNDER THE
                    SECURITIES ACT;

                                       2
<PAGE>
 
               (E)  IN A TRANSACTION ARRANGED BY A BROKER OR DEALER REGISTERED
                    UNDER THE UNITED STATES SECURITIES EXCHANGE ACT OF 1934, AS
                    AMENDED, TO AN INSTITUTIONAL "ACCREDITED INVESTOR" (WITHIN
                    THE MEANING OF SUBPARAGRAPHS (a)(1), (2), (3) OR (7) OF RULE
                    501 UNDER THE SECURITIES ACT) THAT IS ACQUIRING THIS
                    SECURITY FOR ITS OWN ACCOUNT OR FOR THE ACCOUNT OF SUCH AN
                    INSTITUTIONAL "ACCREDITED INVESTOR," FOR INVESTMENT PURPOSES
                    AND NOT WITH A VIEW TO, OR FOR OFFER OR SALE IN CONNECTION
                    WITH, ANY DISTRIBUTION IN VIOLATION OF THE SECURITIES ACT;
                    OR

               (F)  PURSUANT TO ANOTHER AVAILABLE EXEMPTION FROM THE
                    REGISTRATION REQUIREMENTS OF THE SECURITIES ACT AND, IN EACH
                    CASE, IN ACCORDANCE WITH THE APPLICABLE SECURITIES LAWS OF
                    ANY STATE OF THE UNITED STATES OR ANY APPLICABLE
                    JURISDICTION; AND

         III.  IT WILL, AND EACH SUBSEQUENT HOLDER IS REQUIRED TO, NOTIFY ANY
               PURCHASER FROM IT OF THIS SECURITY OF THE RESALE RESTRICTIONS SET
               FORTH IN (II) ABOVE. IF ANY RESALE OR OTHER TRANSFER OF THIS
               SECURITY IS PROPOSED TO BE MADE PURSUANT TO CLAUSE II(E) ABOVE
               PRIOR TO THE DATE WHICH IS THREE YEARS (OR SUCH SHORTER PERIOD AS
               SHALL BE PERMITTED AS A RESULT OF AN AMENDMENT TO THE RULES UNDER
               THE SECURITIES ACT IN RESPECT THEREOF) AFTER THE DATE OF ORIGINAL
               ISSUANCE HEREOF, THE TRANSFEROR SHALL DELIVER A LETTER FROM THE
               TRANSFEREE CONTAINING CERTAIN REPRESENTATIONS AND AGREEMENTS
               RELATING TO THE RESTRICTIONS ON TRANSFER OF THIS SECURITY. ANY
               OFFER, SALE OR OTHER DISPOSITION PURSUANT TO THE FOREGOING
               CLAUSES (II)(D), (E) AND (F) IS SUBJECT TO THE RIGHT OF THE
               ISSUER OF THIS SECURITY AND THE TRUSTEE TO REQUIRE THE DELIVERY
               OF AN OPINION OF COUNSEL, CERTIFICATIONS OR OTHER INFORMATION
               ACCEPTABLE TO THEM IN FORM AND SUBSTANCE. THIS LEGEND WILL BE
               REMOVED UPON THE REQUEST OF THE HOLDER AFTER THE RESALE
               RESTRICTION TERMINATION DATE.

         THE DEBENTURES ARE SUBJECT TO A REGISTRATION RIGHTS AGREEMENT DATED
         APRIL 17, 1996 BETWEEN THE COMPANY AND NATWEST SECURITIES LIMITED, A
         COPY OF WHICH MAY BE OBTAINED FROM THE COMPANY OR THE TRUSTEE."

 Upon original issuance thereof, and until such time as the same is no longer
 required under the requirements of The Depository Trust Company (the
 "Depository"), the Restricted Debentures issued in global form shall include
 the following paragraph:

               Unless and until it is exchanged in whole or in part for
         Securities in definitive form, this Security may not be transferred
         except as a whole by the Depository to a nominee of the Depository or
         by a nominee of the Depository to the Depository or another nominee of
         the Depository or by the Depository or any such nominee to a successor
         Depository or a nominee of such successor Depository. Unless this
         certificate is presented by an authorized representative of The
         Depository Trust Company, a New York corporation (55 Water Street, New
         York, New York) (the "Depository"), to the issuer or its agent for
         registration of transfer, exchange or payment, and any certificate
         issued is registered in the name of Cede & Co. or such other name as
         may be requested by an authorized representative of the Depository (and
         any payment is made to Cede & Co. or such other entity as may be
         requested by an authorized representative of the Depository), ANY
         TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO
         ANY PERSON IS WRONGFUL inasmuch as the registered owner hereof, Cede &
         Co., has an interest herein.

                                       3
<PAGE>
 
         2.    Terms of the Offering.
               --------------------- 

               (a)  The Lead Manager has advised the Company that the Managers
 will offer (the "Exempt Resales") the Debentures purchased by them hereunder on
 the terms set forth in the Offering Circular (as hereinafter defined), as
 amended or supplemented, solely to: (i) persons (each, a "Regulation S
 Purchaser") who are outside the "United States" and not "U.S. Persons," as such
 terms are defined in Regulation S promulgated under the Securities Act
 ("Regulation S"), and who are not purchasing for the account or benefit of a
 U.S. Person, (ii) persons (each, a "Rule 144A Purchaser") whom the Managers
 reasonably believe to be "qualified institutional buyers" ("QIBs"), as such
 term is defined in Rule 144A under the Securities Act ("Rule 144A"), and (iii)
 a limited number of other persons whom the Managers reasonably believe to be
 institutional "accredited investors," as such term is defined in Rule
 501(a)(1), (2), (3) or (7) under the Securities Act, who have made certain
 representations and agreements to the Company (each an "Accredited Investor")
 in a letter containing representations and agreements in the form attached to
 the Offering Circular as Appendix C. The Regulation S Purchasers, Rule 144A
 Purchasers and Accredited Investors are hereinafter referred to as the
 "Eligible Purchasers." The Managers have advised the Company that they will
 offer the Debentures to Eligible Purchasers initially at a price equal to 100%
 of the principal amount of the Debentures, together with accrued interest, if
 any, from April 17, 1996.

               (b)  The Managers have offered and will offer and sell the
 Debentures (i) as part of their distribution at any time and (ii) otherwise
 until the expiration of the 40-day period (the "restricted period") commencing
 on the later of the commencement of the Offering and the related Closing Date,
 only in accordance with Rule 903 of Regulation S. Each of the Managers, their
 affiliates and the persons acting on their behalf have complied and will comply
 with the offering restrictions and other requirements of Regulations S.

               (c)  Each Manager also severally agrees that, at or prior to
 confirmation of sales of Debentures (other than a sale by NatWest Securities
 Limited, acting through NatWest Securities Corporation, a registered broker-
 dealer affiliate of NatWest Securities Limited ("NSC")), and, with the prior
 approval of the Lead Manager, other Managers, acting through their registered
 broker-dealer affiliates, to QIBs in accordance with Rule 144A or to Accredited
 Investors, such Manager will have sent to each distributor, dealer or person
 receiving a selling commission, fee or other remuneration in respect of the
 Debentures during the restricted period a confirmation or notice to
 substantially the following effect:

               The Securities covered hereby have not been registered under the
         U.S. Securities Act of 1933, as amended (the "Securities Act"), and may
         not be offered or sold within the United States or to, or for the
         account or benefit of, U.S. persons (as defined in Regulation S under
         the Securities Act) (i) as part of their distribution at any time or
         (ii) otherwise until the expiration of the 40-day period commencing on
         the later of the commencement of the offering and the related Closing
         Date, except in either case in accordance with Regulation S (or Rule
         144A, if available or another available exemption from the registration
         requirements of the Securities Act; provided that in the case of such
                                             --------
         other exemption, the Company and Trustee may require an appropriate
         opinion of counsel, as required by the Indenture) under the Securities
         Act and the requirements of U.S. Treasury Regulation (S) 1.163-
         5(c)(2)(i)(D)(1)(ii).

 Terms used in this Section 2(c) have the meanings given to them by 
 Regulation S.

               (d)  Notwithstanding paragraph (b) above, NatWest Securities
 Limited, acting through NSC, and, with the prior approval of the Lead Manager,
 any other Manager, acting through its registered broker-dealer affiliate, may
 purchase Debentures for reoffer and resale to QIBs in accordance with Rule 144A
 (the "Rule 144A Debentures") or to Accredited Investors in a transaction exempt
 from registration under the Securities Act (the "Accredited Investor
 Debentures" and, together with the Rule 144A Debentures, the "Restricted
 Debentures") on the basis that the Restricted Debentures will be issued in
 registered form as defined in U.S. Treasury Regulation (S) 5f.103-1(C) and
 delivered to NSC, or a nominee designated by it, for the account of the
 purchasers thereof on the related Closing Date; the Restricted Debentures are
 "restricted" securities which have not been registered under the Securities
 Act.

                                       4
<PAGE>
 
         3.    Delivery and Payment.  The closing for the purchase and sale of
               --------------------                                           
 the Firm Debentures shall occur at the offices of NatWest Securities Limited,
 135 Bishopsgate, London, England EC2M 3XT, and simultaneously at the offices of
 Troop Meisinger Steuber & Pasich, LLP, counsel to the Company, 10940 Wilshire
 Boulevard, Los Angeles, California 90024 at 3:00 pm., London time, on April 17,
 1996 or at such other time or on such other date as may be agreed upon by the
 Company and the Lead Manager (such date is hereinafter referred to as the
 "Initial Closing Date").  The Initial Subscription Price in respect of the
 Debentures will be paid by the Lead Manager on behalf of the Managers to the
 Company (to such account as the Company shall, at least two business days prior
 thereto, have instructed the Lead Manager to make payment) on the Initial
 Closing Date in next-day funds cleared through the New York Clearing House
 Interbank Payments System or, at the option of the Company, in same day funds
 less reimbursement to the Lead Manager for overnight interest at the then
 prevailing federal funds rate.  Such payment shall be made against (i) delivery
 of a temporary global certificate (the "Temporary Global Security") in respect
 of the Debentures sold to Regulation S Purchasers, in bearer form without
 interest coupons or conversion rights, to a common depository for Morgan
 Guaranty Trust Company of New York, Brussels Office, as operator (the
 "Euroclear Operator") of the Euroclear System ("Euroclear"), and Cedel Bank,
 societe anonyme ("Cedel"), and the Managers will arrange that, at their
 direction, the Euroclear Operator or Cedel will credit each Regulation S
 Purchaser with the aggregate principal amount of the Debentures allotted to it
 to the extent that the same have been subscribed and paid for by such
 Regulation S Purchaser, (ii) delivery to the Depository of one or more
 Debentures (the "Global Securities"), each in definitive form, registered in
 the name of Cede & Co., as nominee of the Depository, having an aggregate
 amount corresponding to the aggregate principal amount of Rule 144A Debentures
 sold to the Rule 144A Purchasers and (iii) delivery to the Managers, acting
 through NSC (delivery to be made to NSC, 175 Water Street, New York, NY 10038,
 or at such other place or places as NSC shall determine), of the Accredited
 Investor Debentures, each in definitive form, registered in such names and
 denominations as the Lead Manager may so request, having an aggregate principal
 amount corresponding to the aggregate principal amount of Accredited Investor
 Debentures sold to Accredited Investors.  If the Option is exercised as to all
 or any portion of the Option Debentures, the related closing and delivery and
 payment for the related Option Debentures shall each occur as set forth above
 on the related Closing Date.

         4.    Representations and Warranties of the Company.  The Company
               ---------------------------------------------              
 represents, warrants and covenants as of the date hereof and, as set forth in
 Section 8(c) will represent, warrant and covenant as of the Initial Closing
 Date and each Option Closing Date, to each Manager that:

               (a)  The Company and each of its subsidiaries (as hereinafter
 defined) has been duly organized, is validly existing as a corporation in good
 standing under the laws of its jurisdiction of incorporation and has the
 corporate power and authority to carry on its business as described in the
 Offering Circular and to own, lease and operate its properties, and each is
 duly qualified and is in good standing as a foreign corporation authorized to
 do business in each jurisdiction in which the nature of its business or its
 ownership or leasing of property requires such qualification, except where the
 failure to be so qualified would not have a material adverse effect on the
 Company and its subsidiaries, taken as a whole. The only subsidiaries (as
 defined in the Rules and Regulations) of the Company are the subsidiaries
 listed on Schedule II hereto (the "subsidiaries").

               (b)  The Company will prepare a preliminary offering circular and
 a final offering circular (including the respective appendices thereto, the
 "Preliminary Offering Circular" and "Offering Circular," respectively) relating
 to the Debentures and the Company. The Preliminary Offering Circular and the
 Offering Circular will be in a form approved by the Lead Manager, which
 approval will not be unreasonably withheld.

               (c)  No injunction, stop order, restraining order or order of any
 nature by a federal, state or foreign court of competent jurisdiction has been
 issued that would prevent or interfere with the issuance of the Debentures
 (including, but not limited to, any order suspending the use of the Offering
 Circular or suspending the registration or qualification of the Conversion
 Shares); no proceedings with the purpose of preventing or interfering with the
 Offering are pending, threatened or, to the Company's knowledge, contemplated
 by any securities or other governmental authority in any jurisdiction
 (including, without limitation, the United States Securities and Exchange
 Commission (the "Commission")); no order asserting that any of the transactions
 contemplated by this Agreement, the Indenture or the Offering Circular, other
 than the resale of Restricted Debentures or related Conversion Shares pursuant
 to the Registration Statement described in Section 5(1) hereof, are subject to
 the registration or prospectus delivery requirements of the

                                       5
<PAGE>
 
 Securities Act has been issued; and no order suspending the qualification or
 exemption from qualification of the Debentures or the Conversion Shares under
 the securities or "Blue Sky" laws of any jurisdiction is in effect and no
 proceeding for such purpose is pending before or threatened or, to the
 Company's knowledge, contemplated by the authorities of any such jurisdiction.
 Any reference herein to the Preliminary Offering Circular or the Offering
 Circular or any amendment or supplement to either thereof shall be deemed to
 refer to and include the documents relating to the Company (including, without
 limitation, financial statements, financial statement schedules and exhibits)
 included as appendices to any thereof or incorporated by reference therein
 pursuant to the terms thereof, and all such documents relating to the Company
 are hereinafter referred to as the "Incorporated Documents."

           (d) The Offering Circular, taken as a whole and including the
 Incorporated Documents, will not contain any untrue statement of a material
 fact or omit to state a material fact necessary in order to make the statements
 therein, in the light of the circumstances under which they were made, not
 misleading, and the Incorporated Documents did not, as of their issue date,
 contain any untrue statement of a material fact or omit to state a material
 fact required to be stated therein or necessary in order to make the statements
 therein, not misleading. On the date on which each Incorporated Document became
 effective under the Securities Act or was first filed by the Company with the
 Commission pursuant to the Securities Exchange Act of 1934, as amended (the
 "Exchange Act"), each such Incorporated Document, including the financial
 statements included in each such Incorporated Document, complied in all
 material respects with the applicable provisions of the Exchange Act and the
 rules and regulations of the Commission thereunder (the "Exchange Act Rules and
 Regulations").  The foregoing representations and warranties in this Section
 4(d) do not apply to any statements or omissions made in reliance on and in
 conformity with information relating to (i) any Manager furnished in writing to
 the Company by the Lead Manager on behalf of the Managers expressly for use in
 the Offering Circular, (ii) The Pet Practice, Inc., a Delaware corporation
 ("PPI"), or (iii) Pets' Rx, Inc., a Delaware corporation ("PRI").

           (e) The Offering Circular, as of its date, and each amendment or
 supplement thereto, as of its date, contains all the information specified in
 Rule 144A.

           (f) The consolidated historical and pro forma financial statements of
 the Company and its subsidiaries, together with the related schedules and notes
 thereto, included or incorporated by reference in the Offering Circular present
 fairly the consolidated financial position, results of operations and changes
 in financial position of the Company and its subsidiaries on the basis stated
 in the Offering Circular at the respective dates or for the respective periods
 to which they apply.  Such statements have been prepared in accordance with
 generally accepted accounting principles consistently applied throughout the
 periods involved, except as disclosed therein; such pro forma financial
 statements have been prepared on a basis consistent with such historical
 financial statements, except for the pro forma adjustments specified therein,
 and give effect to assumptions made on a reasonable basis and present fairly
 the historical and proposed transactions contemplated by the Offering Circular;
 and the other financial and statistical information and data set forth in or
 incorporated by reference in the Offering Circular, historical and pro forma,
 are, in all material respects, accurately presented and prepared on a basis
 consistent with such financial statements and the books and records of the
 Company and its subsidiaries and the stated pro forma adjustments.

           (g) Arthur Andersen LLP, who have certified certain financial
 statements of the Company and its subsidiaries, are independent public
 accountants with respect to the Company and its subsidiaries as required by the
 Securities Act.  The statements included in or incorporated by reference in the
 Offering Circular with respect to such Accountants pursuant to Rule 509 of
 Regulation S-K of the Rules and Regulations are true and correct in all
 material respects.

           (h) Since the respective dates as of which information is given or
 incorporated by reference in the Offering Circular, and except as otherwise
 disclosed therein or in the documents incorporated therein by reference, (i)
 there has been no material adverse change in the business, operations,
 earnings, prospects, properties or condition (financial or otherwise) of the
 Company and its subsidiaries, taken as a whole, whether or not arising in the
 ordinary course of business, and (ii) the Company and its subsidiaries, on a
 consolidated basis, have not (A) incurred any material liabilities or
 obligations, direct or contingent, or entered into any material transaction not
 in the ordinary course of business, (B) declared, paid or made a dividend or
 distribution of any kind on any class of its capital stock, (C) issued any
 capital stock of the Company (other than as disclosed in the Offering Circular
 or pursuant to the Company's employee

                                       6
<PAGE>
 
 stock plans or options outstanding on or before the date of the Offering
 Circular) or any of its subsidiaries or any options, warrants, convertible
 securities or other rights to purchase the capital stock of the Company or any
 of its subsidiaries or (D) repurchased or redeemed capital stock, and (iii)
 there has not been (A) any material decrease in the Company's net worth or (B)
 any material increase in the short-term or long- term debt (including
 capitalized lease obligations) of the Company and its subsidiaries, on a
 consolidated basis.

           (i) The Company and each of its subsidiaries maintains a system of
 internal accounting controls sufficient to provide reasonable assurance that
 (i) transactions are executed in accordance with management's general or
 specific authorizations; (ii) transactions are recorded as necessary to permit
 preparation of financial statements in conformity with generally accepted
 accounting principles and to maintain asset accountability; (iii) access to
 assets is permitted only in accordance with management's general or specific
 authorization; and (iv) the recorded accountability for assets is compared with
 the existing assets at reasonable intervals and appropriate action is taken
 with respect to any differences.

           (j) The Company and its subsidiaries are in possession of all permits
 and are in compliance with all laws relating to the practice of veterinary
 medicine, the operation of veterinary laboratories and the processing and sale
 of pet food, except where the failure to possess such permits or comply with
 such laws would not have a material adverse effect on the Company's and its
 subsidiaries' operations, financial condition, business prospects, assets or
 properties, taken as a whole.

           (k) Neither the Company nor any of its subsidiaries is in violation
 of its respective charter or by-laws or in default in the performance of any
 obligation, agreement or condition contained in any bond, debenture, note or
 any other evidence of indebtedness or in any other agreement, indenture or
 instrument material to the conduct of the business of the Company and its
 subsidiaries, taken as a whole, to which the Company or any of its subsidiaries
 is a party or by which it or any of its subsidiaries or their respective
 property or assets is bound.

           (l) Except as otherwise set forth in the Offering Circular, there are
 no material legal or governmental proceedings pending to which the Company or
 any of its subsidiaries is a party or of which any of their respective property
 or assets is the subject or which could adversely affect the consummation of
 this Agreement, the Indenture, the Registration Rights Agreement or the
 Debentures; to the best of the Company's knowledge, no such proceedings are
 threatened or contemplated.  No contract or document of a character required to
 be described in any Incorporated Document or to be filed as an exhibit to any
 Incorporated Document is not so described or filed as required.

           (m) The Company has the requisite corporate power and authority to
 execute, deliver and perform its obligations under this Agreement, the
 Indenture, the Registration Rights Agreement and the Debentures, and to issue,
 sell and deliver the Debentures and the Conversion Shares in accordance with
 and upon the terms and conditions set forth in this Agreement, the Indenture,
 the Registration Rights Agreement and the Debentures, as the case may be.  All
 necessary corporate proceedings of the Company have been duly taken to
 authorize the execution, delivery and performance by the Company of this
 Agreement, the Indenture and the Registration Rights Agreement and the
 issuance, sale and delivery by the Company of the Debentures and the Conversion
 Shares.

           (n) This Agreement has been duly and validly authorized, executed and
 delivered by or on behalf of the Company and is a legal, valid and binding
 agreement of the Company enforceable in accordance with its terms subject to
 applicable bankruptcy, insolvency and similar laws affecting creditors' rights,
 generally and, subject, as to enforceability, to general principles of equity
 (regardless of whether enforcement is sought in a proceeding in equity or at
 law).

           (o) The Indenture has been duly and validly authorized by the Company
 and on the Initial Closing Date will have been duly executed and delivered by
 the Company and (assuming the due authorization, execution and delivery of the
 Indenture by the Trustee) the Indenture will constitute a valid and legally
 binding instrument of the Company, enforceable against the Company in
 accordance with its terms, subject, as to enforcement, to bankruptcy,
 insolvency, reorganization, fraudulent conveyance or similar laws relating to
 or affecting the rights of creditors generally and by equitable principles. The
 Indenture will conform to the description thereof set forth in the Offering
 Circular and

                                       7
<PAGE>
 
 will meet the requirements for qualification of indentures contained in the
 Trust Indenture Act of 1939, as amended (the "TIA"), and will be qualifiable
 under the TIA on or before the date by which the Company is obligated to file
 the Registration Statement hereunder.

           (p) The Registration Rights Agreement has been duly and validly
 authorized by the Company and on the Initial Closing Date will have been duly
 executed and delivered by the Company and (assuming the due authorization,
 execution and delivery of the Registration Rights Agreement by the Lead
 Manager) will be a legal, valid and binding agreement of the Company
 enforceable against the Company in accordance with its terms, subject to
 applicable bankruptcy, insolvency and similar laws affecting creditors' rights
 generally and subject, as to enforceability, to general principles of equity
 (regardless of whether enforcement is sought in a proceeding in equity or at
 law).  The Registration Rights Agreement conforms to the description thereof
 set forth in the Offering Circular.

           (q) The Debentures have been duly and validly authorized and when the
 Debentures have been authenticated by the Trustee and issued, executed,
 delivered and sold by the Company in accordance with the Indenture, will have
 been duly and validly executed, authenticated, issued and delivered and will
 (i) constitute valid and legally binding obligations of the Company enforceable
 against the Company in accordance with their terms entitled to the benefits of
 the Indenture, subject, as to enforcement, to bankruptcy, insolvency,
 reorganization, fraudulent conveyance or similar laws relating to or affecting
 the rights of creditors generally and by equitable principles, and (ii) be
 convertible into the Conversion Shares in accordance with the terms thereof and
 of the Indenture. The Conversion Shares have been duly and validly authorized
 and reserved for issuance upon conversion of the Debentures and, when issued
 and delivered upon such conversion, will be duly and validly issued and
 outstanding, fully paid and nonassessable and will not have been issued in
 violation of or subject to any preemptive or other similar rights.  The
 Debentures and the Conversion Shares, when issued, will conform to the
 respective descriptions thereof set forth in the Offering Circular.

           (r) The execution, delivery and performance by the Company of this
 Agreement, the Indenture, the Registration Rights Agreement and the Debentures,
 the issuance, offering and sale by the Company of the Debentures as
 contemplated by the Offering Circular, the issuance by the Company of the
 Conversion Shares upon exercise of the conversion rights contained in the
 Indenture and the Debentures and the consummation of the transactions
 contemplated hereby and thereby and compliance with the terms and provisions
 hereof and thereof, will not conflict with or constitute a breach of any of the
 terms or provisions of, or a default under, the charter or by-laws of the
 Company or any of its subsidiaries or any agreement, indenture or other
 instrument to which it or any of its subsidiaries is a party or by which it or
 any of its subsidiaries or their respective property or assets is bound, or
 violate or conflict with any laws, administrative regulations or rulings or
 court decrees applicable to the Company, any of its subsidiaries or their
 respective property or assets and will not result in or require the creation or
 imposition of any security interest, claim, lien, encumbrance or adverse
 interest of any nature whatsoever upon or with respect to any of the property
 or assets of the Company or any of its subsidiaries except as would not have a
 material adverse effect on the business, prospects, financial condition or
 results of operation of the Company and its subsidiaries, taken as a whole.

           (s) No consent, approval, authorization, order, registration, filing,
 qualification, license or permit of or with any court or any public,
 governmental or regulatory agency or body having jurisdiction over the Company
 or any of its subsidiaries or any of their respective properties or assets is
 required for the execution, delivery and performance of this Agreement, the
 Indenture, the Registration Rights Agreement and the Debentures and the
 consummation of the transactions contemplated hereby and thereby, including,
 without limitation, the issuance, sale and delivery of the Debentures pursuant
 to this Agreement (other than the registration under the Securities Act of the
 Restricted Debentures and related Conversion Shares), except such as have been
 obtained and such as may be required under (i) foreign and state securities or
 "Blue Sky" laws, (ii) the bylaws and rules of the National Association of
 Securities Dealers, Inc. (the "NASD"), (iii) the rules of the Luxembourg Stock
 Exchange, (iv) the Securities Act with respect to the registration of the
 Restricted Debentures and related Conversion Shares solely insofar as such
 registration is required by the terms of the Debentures and the Indenture and
 (v) the qualification of the Indenture and the Trustee under the TIA.

           (t) Except as otherwise set forth in the Offering Circular or such as
 are not material to the business, prospects, financial condition or results of
 operation of the Company and its subsidiaries, taken as a whole, the Company
 and each of its subsidiaries has good and marketable title, free and clear of
 all liens, claims, encumbrances and

                                       8
<PAGE>
 
 restrictions except liens for taxes not yet due and payable, to all property
 and assets described in the Offering Circular as being owned by it.  All leases
 to which the Company or any of its subsidiaries is a party are valid and
 binding and no default has occurred or is continuing thereunder, which might
 result in any material adverse change in the business, prospects, financial
 condition or results of operation of the Company and its subsidiaries, taken as
 a whole, and the Company and its subsidiaries enjoy peaceful and undisturbed
 possession under all such leases to which any of them is a party as lessee with
 such exceptions as do not materially interfere with the use made by the Company
 or such subsidiary.

           (u) The Company and each of the subsidiaries owns, or possesses
 adequate rights to use, all patents, trademarks, trade names, service marks,
 copyrights, licenses and other rights necessary for the conduct of their
 respective businesses as described in the Offering Circular, and neither the
 Company nor any of its subsidiaries has received any notice of conflict with,
 or infringement of, the asserted rights of others with respect to any such
 patents, trademarks, trade names, service marks, copyrights, licenses and other
 such rights (other than conflicts or infringements that, if proven, would not
 have a material adverse effect on the business, operations, earnings,
 prospects, properties or condition (financial or otherwise) of the Company and
 its subsidiaries, taken as a whole), and neither the Company nor any of its
 subsidiaries knows of any basis therefor.

           (v) All material tax returns required to be filed by the Company and
 each of its subsidiaries in any jurisdiction have been timely filed, other than
 those filings being contested in good faith, and all material taxes, including
 withholding taxes, penalties and interest, assessments, fees and other charges
 due pursuant to such returns or pursuant to any assessment received by the
 Company or any of its subsidiaries have been paid other than those being
 contested in good faith and for which adequate reserves have been provided.

           (w) Neither the Company nor any of its subsidiaries has violated any
 foreign, federal, state or local law or regulation relating to the protection
 of human health and safety, the environment or hazardous or toxic substances or
 wastes, pollutants or contaminants ("Environmental Laws"), nor any federal or
 state law relating to discrimination in the hiring, promotion or pay of
 employees nor any applicable federal or state wages and hours laws, nor any
 provisions of the Employee Retirement Income Security Act or the rules and
 regulations promulgated thereunder, which in each case might result in any
 material adverse change in the business, prospects, financial condition or
 results of operation of the Company and its subsidiaries, taken as a whole.

           (x) The Company and each of its subsidiaries has such permits,
 licenses, franchises and authorizations of governmental or regulatory
 authorities ("permits"), including, without limitation, under any applicable
 Environmental Laws, as are necessary to own, lease and operate its respective
 properties and to conduct its business in the manner described in the Offering
 Circular  except where the failure to possess such permits could not have a
 material adverse effect on the Company and its subsidiaries, taken as a whole;
 the Company and each of its subsidiaries has fulfilled and performed all of its
 material obligations with respect to such permits and no event has occurred
 which allows, or after notice or lapse of time would allow, revocation or
 termination thereof or results in any other material impairment of the rights
 of the holder of any such permit; and, except as described in the Offering
 Circular, such permits contain no restrictions that are materially burdensome
 to the Company or any of its subsidiaries.

           (y) To the best knowledge of the Company, no labor problem exists or
 is imminent with employees of the Company or any of its subsidiaries that could
 have a material adverse effect on the business, operations, earnings,
 prospects, properties or condition (financial or otherwise) of the Company and
 its subsidiaries, taken as a whole.

           (z) Neither the Company nor any of its subsidiaries nor, to the best
 of the Company's knowledge, any officer of director purporting to act on behalf
 of the Company or any of its subsidiaries has at any time: (i) made any
 contributions to any candidate for political office, or failed to disclose
 fully any such contributions, in violation of law, (ii) made any payment of
 funds to, or received or retained any funds from, any state, federal or foreign
 governmental officer or official, or other person charged with similar public
 or quasi-public duties, other than payments required or allowed by applicable
 law, or (iii) engaged in any transactions, maintained any bank account or used
 any corporate funds except for transactions, bank accounts and funds which have
 been and are reflected in the normally maintained books and records of the
 Company and its subsidiaries.

                                       9
<PAGE>
 
           (aa) The authorized, issued and outstanding capital stock of the
 Company, and the capital stock reserved or committed for issuance, is as set
 forth under the captions "Capitalization" and "Description of Capital Stock" in
 the Offering Circular.  All of the issued and outstanding indebtedness of the
 Company and shares of Common Stock are duly and validly authorized and issued,
 and all of the issued and outstanding shares of Common Stock are, and the
 Conversion Shares when acquired on the terms and conditions specified in the
 Debentures and the Indenture will be, fully paid and nonassessable.  The
 Company has a sufficient number of authorized but unissued shares of Common
 Stock to enable the Company to issue, without further stockholder action, all
 the Conversion Shares.  There are no preemptive rights or other rights to
 subscribe for or to purchase, or any restriction upon the voting or transfer
 of, any shares of Common Stock pursuant to the Company's certificate of
 incorporation, bylaws or any oral or written agreement or other instrument to
 which the Company or any of its subsidiaries is a party or by which either the
 Company or any of its subsidiaries is bound that is not described in the
 Offering Circular.  Neither the offering and sale of the Debentures, as
 contemplated by this Agreement, nor the registration of the Restricted
 Debentures, nor the registration, issuance or delivery of the Conversion
 Shares, as contemplated by the Indenture, the Registration Rights Agreement and
 the Debentures, gives rise to any rights, other than those which have been, or
 which will, prior to the Initial Closing Date, be, waived in writing or
 satisfied, for or relating to the registration or offering of any shares of
 capital stock or other securities of the Company.  The Common Stock of the
 Company conforms and, upon the issuance of the Conversion Shares in connection
 with the conversion of the Debentures, the Conversion Shares will conform, in
 all material respects to the statements relating thereto in the Offering
 Circular.

           (ab) All of the outstanding shares of capital stock of, or other
 ownership interests in, each of the Company's subsidiaries have been duly
 authorized and validly issued and are fully paid and non-assessable, and,
 except as disclosed in the Offering Circular, are owned by the Company free and
 clear of any security interest, claim, lien, encumbrance or adverse interest of
 any nature.

           (ac) None of the subsidiaries of the Company owns any shares of stock
 or any other securities of any corporation or has any equity interest in any
 firm, partnership, association or other entity except as referred to or
 described in the Offering Circular and the Company does not own, directly or
 indirectly, any shares of stock or any other securities of any corporation or
 have any equity interest in any firm, partnership, association or other entity
 other than the issued capital stock of its subsidiaries.

           (ad) There are no material outstanding loans or advances or material
 guarantees of indebtedness by the Company or any of its subsidiaries to or for
 the benefit of any of the officers or directors of the Company or any of its
 subsidiaries or any of the members of the families of any of them.

           (ae) The Company and each of its subsidiaries maintains insurance,
 duly in force, with insurers of recognized financial responsibility; such
 insurance insures against such losses and risks as are adequate in accordance
 with customary industry practice to protect the Company and its Subsidiaries
 and their respective businesses; and neither the Company nor any such
 subsidiary has any reason to believe that it will not be able to renew its
 existing insurance coverage as and when such coverage expires or to obtain
 similar coverage from similar insurers as may be necessary to continue its
 business at a cost that would not materially and adversely affect the business,
 operations, earnings, prospects, properties or condition (financial or
 otherwise) of the Company and its subsidiaries, taken as a whole, except as
 disclosed in or contemplated by the Offering Circular.

           (af) Neither the Company nor any of its officers and directors (as
 defined in the Rules and Regulations) has taken or will take, directly or
 indirectly, prior to the termination of the Offering contemplated by this
 Agreement and the Offering Circular, any action designed to stabilize or
 manipulate the price of any security of the Company, or which has caused or
 resulted in, or which might in the future reasonably be expected to cause or
 result in, stabilization or manipulation of the price of any security of the
 Company, to facilitate the sale or resale of the Debentures or the Conversion
 Shares.

           (ag) In connection with this Offering, the Company has not offered
 and will not offer Debentures, its Common Stock or any other securities
 convertible into or exchangeable or exercisable for Common Stock in a manner in
 violation of the Securities Act. The Company has not distributed and will not
 distribute any Offering Circular or other

                                       10
<PAGE>
 
 offering material in connection with the offer and sale of the Debentures or
 the exchange thereof for Conversion Shares and neither the Company nor any of
 its representatives (which, for purposes of this Section 4(gg), shall not
 include the Managers or anyone acting on behalf of any Manager) has engaged in
 any form of general solicitation or general advertising, including, but not
 limited to, advertisements, articles, notices or other communication published
 in any newspaper, magazine or similar medium or broadcast over television or
 radio, or any seminar or meeting whose attendees have been invited by any
 general solicitation or general advertising.  No securities of the same class
 as the Debentures have been issued and sold by the Company within the six-month
 period immediately prior to the date hereof.

           (ah) Neither the Company nor any of its subsidiaries is
 an."investment company" or an "affiliated person" of, or "promoter" or
 "principal underwriter" for an "investment company" as such terms are defined
 in the Investment Company Act of 1940, as amended, or an "investment advisor"
 as such term is defined in the Investment Advisors Act of 1940, as amended.

           (ai) The Company is a reporting issuer (within the meaning of
 Regulation S under the Securities Act).

           (aj) No securities of the same class (within the meaning of Rule
 144A(d)(3) under the Securities Act) as the Debentures are listed on any
 national securities exchange, registered under Section 6 of the Exchange Act or
 are quoted in an automated inter-dealer quotation system.

           (ak) Any certificate signed by an officer of the Company and
 delivered to the Managers or to counsel for the Managers pursuant to this
 Agreement shall be deemed a representation and warranty by the Company to each
 Manager as to the matters covered thereby.

           (al) Subject to compliance by the Managers with their several
 obligations set forth herein, the sale to the Managers and resale by the
 Managers to the Eligible Purchasers as contemplated herein and in the Offering
 Circular is exempt from, or not subject to, the registration and prospectus
 delivery requirements of the Securities Act.

           (am) The Company has dealt with no broker, finder, commission agent
 or other person in connection with the sale of the Debentures and the
 transactions contemplated by this Agreement and the Offering Circular, other
 than the Managers, and the Company is under no obligation to pay any broker's
 fee or commission in connection with such transactions, other than the
 commission to the Managers contemplated hereby.

           (an) Neither the Company nor any affiliate of the Company does
 business with the government of Cuba or with any person or affiliate located in
 Cuba and the Company and each affiliate thereof has complied, to the extent
 necessary, with all provisions of Section 517.075, Florida Statutes, and
 applicable rules and regulations thereunder.

           (ao) There are no outstanding subscriptions, rights, warrants,
 options, calls, convertible securities, commitments of sale or liens related to
 or entitling any person to purchase or otherwise to acquire any shares of the
 capital stock of, or other ownership interest in, the Company or any subsidiary
 thereof except as otherwise disclosed in the Offering Circular.

           (ap) To the Company's best knowledge, the representations and
 warranties of  PPI set forth in that certain Agreement and Plan of
 Reorganization dated March 21, 1996 by and among the Company, Golden Merger
 Corp. and PPI, including the exhibits and schedules thereto (the "PPI Merger
 Agreement") were, when viewed as a whole, true and correct in all material
 respects when made and, when viewed as a whole, are true and correct in all
 material respects on the date hereof; provided, however, that if the
 transactions contemplated by the PPI Merger Agreement are not consummated, the
 representation and warranty set forth in this subsection shall be of no further
 force or effect.  The appendices to the Preliminary Offering Circular or the
 Offering Circular relating to PPI are hereinafter referred to as the "PPI
 Incorporated Documents."

           (aq) The Company had and has the requisite corporate power and
 authority to execute, deliver and perform its obligations under the PPI Merger
 Agreement.  The PPI Merger Agreement has been duly and validly

                                       11
<PAGE>
 
 authorized, executed and delivered by or on behalf of the Company and is a
 legal, valid and binding agreement of the Company enforceable in accordance
 with its terms subject to applicable bankruptcy, insolvency and similar laws
 affecting creditors' rights, generally and, subject, as to enforceability, to
 general principles of equity (regardless of whether enforcement is sought in a
 proceeding in equity or at law).  The PPI Merger Agreement conforms to the
 description thereof set forth in the Offering Circular.  The Company had and
 has the requisite corporate power and authority to execute, deliver and perform
 its obligations under the Agreement and Plan of  Reorganization dated February
 27, 1996 by and among the Company, PRI Merger Company, PRI and certain
 shareholders of PRI (the "PRI Merger Agreement").  The PRI Merger Agreement has
 been duly and validly authorized, executed and delivered by or on behalf of the
 Company and is a legal, valid and binding agreement of the Company enforceable
 in accordance with its terms subject to applicable bankruptcy, insolvency and
 similar laws affecting creditors' rights generally and, subject, as to
 enforceability, to general principles of equity (regardless of whether
 enforcement is sought in a proceeding in equity or at law).  The PRI Merger
 Agreement conforms to the description thereof set forth in the Offering
 Circular.  The appendices to the Preliminary Offering Circular or the Offering
 Circular relating to PRI are hereinafter referred to as the "PRI Incorporated
 Documents."

         5.    Agreements of the Company.  The Company covenants and agrees with
               -------------------------                                        
 each of the Managers as follows:

               (a)  The Company will not amend or supplement the Offering
 Circular, unless a copy thereof shall first have been submitted to the Lead
 Manager within a reasonable period of time prior to the use thereof and the
 Lead Manager shall have consented to such amendment or supplement which consent
 shall not be unreasonably withheld.

               (b)  The Company will notify the Lead Manager promptly, and will
 confirm such advice in writing, (1) of any request by the securities or other
 governmental authority of any jurisdiction for any additional information
 (including, but not limited to, any amendments or supplements to the
 Preliminary Offering Circular or the Offering Circular), (2) of the issuance by
 any securities or other governmental authority of any jurisdiction (including,
 but not limited to, the Commission) of any stop order suspending or preventing
 the use of the Preliminary Offering Circular or the Offering Circular or
 asserting that the Offering of the Debentures is subject to the registration
 requirements of the Securities Act, or the initiation of any proceedings for
 any such purposes or the threat thereof, (3) of the happening of any event that
 in the judgment of the Company makes any statement made in the Preliminary
 Offering Circular or the Offering Circular untrue or that requires the making
 of any changes in the Preliminary Offering Circular or the Offering Circular,
 in order to make the statements therein not misleading and (4) of receipt by
 the Company or any representative or attorney of the Company of any other
 communication from any securities or other governmental authority of any
 jurisdiction (including, without limitation, the Commission) relating to the
 Company, the Debentures, the Preliminary Offering Circular or the Offering
 Circular. If at any time any securities or other governmental authority
 (including, without limitation, the Commission) shall issue any order described
 in clause (2) of the immediately preceding sentence, the Company will make
 every reasonable effort to obtain the withdrawal of such order at the earliest
 possible moment. The Company will prepare and deliver the Preliminary Offering
 Circular and the Offering Circular to the Managers as promptly as practicable
 after the date hereof.

               (c)  If, at any time prior to the completion of the Offering, any
 event occurs as a result of which the Preliminary Offering Circular or the
 Offering Circular, in each case taken as a whole and including the Incorporated
 Documents, as then amended, would include any untrue statement of a material
 fact or omit to state a material fact necessary in order to make the statements
 therein not misleading, or if for any other reason it is necessary at any time
 to amend the Preliminary Offering Circular or the Offering Circular to comply
 with the laws of any jurisdiction, the Company will promptly notify the Lead
 Manager thereof and, subject to Section 5(b) hereof, will prepare an amendment
 to the Preliminary Offering Circular or the Offering Circular, as the case may
 be, that corrects such statement or omission or effects such compliance.

               (d)  The Company will deliver to the Managers, without charge, as
 many copies of the Preliminary Offering Circular and the Offering Circular or
 any amendment or supplement thereto as the Managers may reasonably request. The
 Company consents to the use of the Preliminary Offering Circular and the
 Offering Circular or any amendment or supplement thereto by the Managers in
 connection with the issuance and sale of the Debentures.

                                       12
<PAGE>
 
           (e) The Company will arrange for the qualification of the Debentures
 and Conversion Shares for offer and sale under the securities or "Blue Sky"
 laws of such states of the United States as the Lead Manager may reasonably
 designate and will continue such qualifications in effect for as long as may be
 necessary to complete the issuance and sale of the Debentures; provided,
                                                                -------- 
 however, that in connection therewith the Company shall not be obligated to
 -------                                                                    
 qualify as a foreign corporation or to execute a general consent to service of
 process in or become subject to taxation in any jurisdiction.

           (f) The Company will apply the net proceeds from the sale of the
 Debentures as set forth under "Use of Proceeds" in the Offering Circular.

           (g) The Company will not at any time, directly or indirectly, take
 any action intended, or which might reasonably be expected, to cause or result,
 in, or which will constitute, under the Securities Act or otherwise,
 stabilization of the price of any security of the Company to facilitate the
 sale or resale of the Debentures.

           (h) The Company will cause each executive officer and director of the
 Company, on or prior to the date of this Agreement to enter into an agreement
 with the Managers to the effect that they will not for a period of 90 days
 after the date hereof, without the prior written consent of the Managers,
 directly or indirectly, offer to sell, sell, contract to sell, grant any option
 to purchase or otherwise dispose (or announce any offer, sale, grant of any
 option to purchase or other disposition) of any Debentures, any shares of
 Common Stock or any securities convertible into, or exchangeable or exercisable
 for, Debentures or shares of Common Stock.

           (i) The Company will take such action as is necessary to effect the
 listing of the Conversion Shares on the Nasdaq Stock Market's National Market
 System (the "Nasdaq Stock Market"), subject only to notice of issuance, not
 later than the date the Debentures become convertible in accordance with their
 terms and with the terms of the Indenture and for the clearance of the
 Debentures through Euroclear and Cedel and for the designation of the Rule 144A
 Debentures as eligible for trading on the Private Offerings Resales and Trading
 through Automated Linkages system of the National Association of Securities
 Dealers Inc. ("PORTAL") prior to the Initial Closing Date.

           (j) The Company will not, during the 90-day period following the date
 hereof,  without the prior written consent of the Lead Manager, sell, transfer,
 offer for sale or solicit offers to buy or otherwise negotiate in respect of or
 otherwise dispose of (or announce any sale, transfer, offer or solicitation of
 offer to buy or other disposition), directly or indirectly, any Common Stock or
 securities (as defined in the Securities Act) at any time convertible into or
 exercisable or exchangeable for Common Stock; provided, however, that the
 foregoing shall not prohibit the Company from, during such 90-day period, (i)
 granting stock or stock options pursuant to the Company's stock option plans,
 (ii) issuing shares of its Common Stock upon the exercise of an option or
 warrant or the conversion of a security outstanding on the date hereof or upon
 conversion of the Debentures or issued after the date hereof if such issuance
 is in compliance with this section or (iii)issuing shares of its Common Stock
 or securities convertible into or exercisable for shares of Common Stock in
 connection with acquisitions, provided, however, that, subject to contractual
 obligations existing on the date hereof, the Company will not register the
 issuance of in excess of 250,000 shares under the Securities Act during such
 90-day period.

           (k) For so long as any of the Rule 144A Debentures remain outstanding
 and are "restricted securities" within the meaning of Rule 144(a)(3) under the
 Securities Act, the Company covenants and agrees that it shall, during any
 period in which it is not subject to Section 13 or 15(d) of the Exchange Act,
 make available to any holder or beneficial holder of Debentures which continue
 to be restricted securities in connection with any sale thereof to any
 prospective purchaser of such Debentures from such holder or beneficial holder,
 the information specified in Rule 144A(d)(4) under the Securities Act.

           (l) The Company agrees that it will execute and deliver the
 Registration Rights Agreement and, on the terms and conditions therein set
 forth, prepare and file a shelf registration statement (the "Registration
 Statement") and use its best efforts to cause the Registration Statement to be
 declared effective by the Commission as promptly thereafter as practicable and
 continuously to maintain the effectiveness of the Registration Statement for
 the period therein set forth.

                                       13
<PAGE>
 
           (m) During the period commencing on the Initial Closing Date and
 ending three years from the last Closing Date, the Company will furnish to the
 Lead Manager copies of such financial statements and other periodic and special
 reports as the Company may from time to time distribute generally to the
 holders of any class of its capital stock or file with the Commission, the
 Nasdaq Stock Market or any national securities exchange, and will furnish to
 each Manager who may so request a copy of each annual or other report it shall
 be required to file therewith.

           (n) The Company shall use reasonable efforts to cause to be delivered
 to the Managers prior to the Initial Closing Date the opinion, dated the
 related Closing Date, of Latham & Watkins, counsel to PRI, in form and
 substance reasonably satisfactory to the Lead Manager and to counsel to the
 Managers.

           (o) The Company shall use reasonable efforts to cause to be delivered
 to the Managers prior to the Initial Closing Date the opinion, dated the
 related Closing Date, of Haythe & Curley, counsel to PPI, in form and substance
 reasonably satisfactory to the Lead Manager and to counsel to the Managers,
 substantially in the form of Exhibit C hereto.

           (p) The Company shall use reasonable efforts to cause to be delivered
 to the Managers prior to the Initial Closing Date by Arthur Andersen LLP,
 independent certified public accountants for PRI (the "PRI Accountants"), a
 "comfort" letter, dated such date, in form and substance satisfactory to the
 Lead Manager and counsel to the Managers with respect to the financial
 statements and certain financial information of PRI and its subsidiaries
 contained in the Preliminary Offering Circular (including any incorporated
 documents relating to PRI), (i) confirming that they are independent
 accountants with respect to PRI and its subsidiaries within the meaning of Rule
 101 of the Code of Professional Conduct of the American Institute of Certified
 Public Accountants, and its interpretations and rulings, and (ii) stating their
 conclusions and findings with respect to all financial and certain other
 statistical and numerical information contained in the Preliminary Offering
 Circular.  At the Closing Date and, as to the Option Debentures, each Option
 Closing Date, the PRI Accountants shall have furnished to the Managers a
 letter, dated the date of its delivery, which shall reaffirm such conclusions
 and findings as of the related Closing Date and with respect to the Offering
 Circular on the basis of a review conducted in accordance with the procedures
 set forth therein.

           (q) The Company shall use reasonable efforts to cause to be delivered
 to the Managers prior to the Initial Closing Date by Price Waterhouse LLP,
 independent certified public accountants for PPI (the "PPI Accountants"), a
 "comfort" letter, dated such date, in form and substance satisfactory to the
 Lead Manager and counsel to the Managers with respect to the financial
 statements and certain financial information of PPI and its subsidiaries
 contained in the Preliminary Offering Circular (including any incorporated
 documents relating to PPI), (i) confirming that they are independent
 accountants with respect to the PPI and its subsidiaries within the meaning of
 Rule 101 of the Code of Professional Conduct of the American Institute of
 Certified Public Accountants, and its interpretations and rulings, and (ii)
 stating their conclusions and findings with respect to all financial and
 certain other statistical and numerical information contained in the
 Preliminary Offering Circular.  At the Closing Date and, as to the Option
 Debentures, each Option Closing Date, the PPI Accountants shall have furnished
 to the Managers a letter, dated the date of its delivery, which shall reaffirm
 such conclusions and findings as of the related Closing Date and with respect
 to the Offering Circular on the basis of a review conducted in accordance with
 the procedures set forth therein.

      6.   Representations and Warranties of the Managers.  Each Manager
           ----------------------------------------------               
 represents and warrants to the Company and agrees that:

           (a) It (i) is not acquiring the Debentures with a view to any
 distribution thereof or with the intention of offering and selling any of the
 Debentures in a transaction that would violate the Securities Act or the
 securities or "Blue Sky" laws of any state of the United States or any other
 applicable jurisdiction and (ii) will be reoffering and reselling the
 Debentures only (A) in "offshore transactions" (as defined under Regulation S)
 pursuant to and in compliance with Regulation S, (B) to QIBs in reliance on the
 exemption from the registration requirements of the Securities Act provided by
 Rule 144A and (c) to a limited number of Accredited Investors that execute and
 deliver a letter containing certain representations and agreements in the form
 attached as Appendix C to the Offering Circular.

                                       14
<PAGE>
 
           (b) No form of general solicitation or general advertising, nor any
 form of directed selling efforts (as defined in Regulation S), has been or will
 be used by it or any of its representatives in connection with the offer and
 sale of any of the Debentures, including, but not limited to, articles, notices
 or other communications published in any newspaper, magazine, or similar medium
 or broadcast over television or radio, or any seminar or meeting whose
 attendees have been invited by any general solicitation or general advertising.

           (c) The Managers will solicit offers to buy the Debentures only from,
 and will offer to sell the Debentures only to, Eligible Purchasers.  Each
 Manager further agrees that it will offer to sell the Debentures only to, and
 will solicit offers to buy the Debentures only from, persons who in purchasing
 such Debentures will have or will be deemed to have acknowledged, represented
 and agreed for the benefit of the Company that: (i) they have acquired a
 security which has not been registered under the Securities Act; (ii) they will
 not offer, sell or otherwise transfer such security, prior to the date which is
 three years after the Initial Closing Date (or such other applicable date under
 the Securities Act in the event of an amendment of the relevant regulations
 comprising Rule 144 under the Securities Act) except (A) to Veterinary Centers
 of America, Inc., (B) pursuant to a registration statement which has been
 declared effective under the Securities Act, (C) for so long as the security is
 eligible for resale pursuant to Rule 144A, to a person who the seller
 reasonably believes is a "qualified institutional buyer" (as defined in Rule
 144A under the Securities Act) in a transaction meeting the requirements of
 Rule 144A, (D) outside the United States in a transaction meeting the
 requirements of Rule 904 under the Securities Act, (E) in a transaction
 arranged by a broker or dealer registered under the Exchange Act, to an
 institutional "accredited investor" (within the meaning of subparagraphs
 (a)(1), (2), (3) or (7) of Rule 501 under the Securities Act) that is acquiring
 the security for its own account, or for the account of such an institutional
 "accredited investor," for investment purposes and not with a view to, or for
 offer or sale in connection with, any distribution in violation of the
 Securities Act, or (F) pursuant to another available exemption from the
 registration requirements of the Securities Act as confirmed in an opinion of
 counsel acceptable in form and substance to the Company and, in each case, in
 accordance with the applicable securities laws of any state of the United
 States or any other applicable jurisdiction; and (iii) they will, and each
 subsequent holder is required to, notify any purchaser from it of the security
 of the resale restrictions set forth in (ii) above.  If any resale or other
 transfer of the Restricted Debentures is proposed to be made pursuant to clause
 (E) above, prior to the Resale Restriction Termination Date, the transferor
 shall deliver a letter from the transferee containing representations and
 agreements relating to the restrictions on transfer of such Restricted
 Debentures.  Any offer, sale or other disposition pursuant to the foregoing
 clauses (ii)(D), (E) or (F) is subject to the right of the Company and the
 Trustee to require the delivery of an opinion of counsel, certifications or
 other information acceptable to them in form and substance.

           (d) It will take no action, nor fail to take any action, if such
 action or failure to take such action would have the effect that the offer or
 sale of the Debentures would not be in compliance with all applicable
 securities laws and regulations of any country and political subdivision
 thereof in which the Debentures are to be offered or sold.

           (e) It has (i) not offered or sold and will not, prior to the expiry
 of the period six months from the last Closing Date, offer or sell in the
 United Kingdom, by means of any document, any Debentures other than to persons
 whose ordinary business it is to buy or sell shares or debentures (whether as
 principal or agent) or in circumstances which do not constitute an offer to the
 public within the meaning of the Public Offers of Securities Regulations 1995;
 (ii) complied and will comply with all applicable provisions of the Financial
 Services Act 1986 with respect to anything done by them in relation to the
 Debentures in, from or otherwise involving the United Kingdom; and (iii) issued
 or passed on and will issue or pass on to any person in the United Kingdom any
 document received by them in connection with the issuance of the Debentures
 only if that person is of a kind described in Article 11(3) of the Financial
 Services Act 1986 (Investment Advertisements) (Exceptions) Order 1995, as
 amended, or is a person to whom the document may otherwise lawfully be issued
 or passed on.

           (f) Except to the extent permitted under U.S. Treas. Reg. (S)1.163-
 5(c)(2)(i)(D) (the "D Rules"), (i) it has not offered or sold, and during the
 restricted period described in the D Rules will not offer to sell, Debentures
 in bearer form to a person who is within the United States or its possessions
 or to a United States person, and (ii) it has not delivered and will not
 deliver within the United States or its possessions definitive Debentures in
 bearer form that resold during the restricted period described in the D Rules.

                                       15
<PAGE>
 
           (g) It has, and throughout the restricted period described in the D
 Rules will have, in effect procedures reasonably designed to ensure that its
 employees or agents who are directly engaged in selling Debentures in bearer
 form are aware that such Debentures may not be offered or sold during the
 restricted period described in the D Rules to a person who is within the United
 States or its possessions or to a United States person, except as permitted by
 the D Rules.

           (h) If it is a United States person, it is acquiring the Debentures
 in bearer form for purposes of resale in connection with their original
 issuance and if it retains Debentures in bearer form for its account, it will
 only do so in accordance with the requirements of U.S. Treas. Reg. (S)
 1.1635(c)(2)(i)(D)(6).

           (i) With respect to each affiliate that acquires from it Debentures
 in bearer form for the purpose of offering or selling such Debentures during
 the restricted period described in the D Rules, such Manager either (x) repeats
 and confirms the representations and agreements contained in clauses 6(f), 6(g)
 and 6(h) on such affiliate's behalf or (y) agrees that it will obtain from such
 affiliate for the Company's benefit the representations and agreements
 contained in clauses 6(f), 6(g) and 6(h).  Terms used in Sections 6(f), 6(g)
 and 6(h) above and this Section 6(i) have the meanings given to them by the
 United States Internal Revenue Code of 1986, as amended, and the regulations
 thereunder, including the D Rules.

           (j) It has not entered into and will not enter into any contractual
 arrangements with respect to the distribution or delivery of the Debentures,
 except with the other Managers, its affiliates or with the prior written
 consent of the Company.

     7.    Expenses.
           -------- 

           (a) Whether or not the transactions contemplated by this Agreement
 are consummated or this Agreement is terminated, the Company will pay, or
 reimburse if paid by the Lead Manager with the Company's prior approval, all
 costs and expenses incident to the performance of the obligations of the
 Company under this Agreement, including but not limited to costs and expenses
 of or relating to (i) the preparation and distribution of the Preliminary
 Offering Circular, the Offering Circular and any amendments or supplements
 thereto, (ii) the preparation, printing, issue, exchange and delivery of the
 Preliminary Offering Circular, the Offering Circular, the Debentures (in both
 temporary and definitive form) and the Conversion Shares, (iii) the printing
 and delivery of the Indenture, this Agreement, the Registration Rights
 Agreement, the Agreement among Managers dated April 17, 1996, and any Managers'
 Questionnaire, (iv) furnishing (including costs of shipping and mailing) such
 copies of the Preliminary Offering Circular, the Offering Circular, and all
 amendments and supplements thereto, as may be required thereunder, (v) the
 listing of the Debentures on the Luxembourg Stock Exchange, for the designation
 of the Rule 144A Debentures as PORTAL eligible and for the listing of the
 Conversion Shares issuable upon conversion of the Restricted Debentures on the
 Nasdaq Stock Market, (vi) the preparation, filing and delivery of the
 Registration Statement in connection with the Conversion Shares, and any
 amendment or supplement thereto, (vii) any filings required to be made by the
 Managers with the NASD in connection with the Offering, (viii) the
 qualification of the Debentures for offer and sale under the securities or
 "Blue Sky" laws of such states in the United States designated pursuant to
 Section 5(e), including the reasonable fees, disbursements and other charges of
 counsel to the Managers in connection therewith, and the preparation and
 printing of preliminary, supplemental and final Blue Sky memoranda reasonably
 requested by the Managers, and (ix) all other costs and expenses incident to
 the performance of the obligations of the Company hereunder and under the
 Indenture and the Registration Rights Agreement which are not otherwise
 provided for in this Paragraph.

           (b) If (i) the sale of the Debentures is not consummated because any
 condition to the obligations of the Managers set forth in Section 8 hereof is
 not satisfied, (ii) this Agreement shall be terminated pursuant to any of the
 provisions hereof or if for any reason the Company shall be unable to perform
 its obligations hereunder (other than as a result of any Manager's failure to
 perform any of its obligations hereunder), the Company will reimburse the
 several Managers for all out-of-pocket expenses (including, the fees,
 disbursements and other charges of counsel to the Managers) reasonably incurred
 by them in connection herewith. The Company shall not under any circumstances,
 including a breach of this Agreement by the Company, be liable to the Managers
 for the loss of anticipated profits from the transactions covered by this
 Agreement.

                                       16
<PAGE>
 
     8.    Conditions to Obligations of Managers.  The obligations of each
           -------------------------------------                          
 Manager hereunder shall be subject to the satisfaction of the following
 conditions as of the Initial Closing Date and, if any Option Debentures are
 purchased, as of each Option Closing Date:

           (a) No injunction, stop order, restraining order or order of any
 nature by a federal, state or foreign court of competent jurisdiction shall
 have been issued as of the related Closing Date that would prevent or interfere
 with the issuance of the Debentures; no proceedings with the purpose of
 preventing or interfering with the offering of the Debentures are pending,
 threatened or, to the knowledge of the Company or any Manager, contemplated by
 any securities or other governmental authority in any jurisdiction (including,
 without limitation, the Commission); no order of the Commission asserting that
 any of the transactions contemplated by this Agreement or the Offering
 Circular, other than the resale of Restricted Debentures or related Conversion
 Shares pursuant to the Registration Statement, are subject to the registration
 or prospectus delivery requirements of the Securities Act has been issued; no
 order suspending the qualification or exemption from qualification of the
 Debentures or the Conversion Shares under the securities or "Blue Sky" laws of
 any jurisdiction shall be in effect and no proceeding for such purpose shall be
 pending before or threatened or contemplated by the authorities of any such
 jurisdiction; and after the date hereof no amendment or supplement to the
 Preliminary Offering Circular or the Offering Circular shall have been prepared
 unless a copy thereof was first submitted to the Lead Manager and the Lead
 Manager shall not have objected thereto in good faith.

           (b) Since the date hereof (i) there shall not have been any material
 adverse change in the business, operations, earnings, prospects, properties or
 condition (financial or otherwise) of the Company and its subsidiaries, taken
 as a whole, whether or not arising from transactions in the ordinary course of
 business, in each case other than as set forth in an Incorporated Document in
 existence on the date hereof, and (ii) neither the Company nor any of its
 subsidiaries shall have sustained any material loss or interference with its
 business or properties from fire, explosion, flood or other casualty, whether
 or not covered by insurance, or from any labor dispute or any court or
 legislative or other governmental action, order or decree, which is not
 described in any Incorporated Document in existence on the date hereof, if in
 the judgment of the Lead Manager any such development makes it impracticable or
 inadvisable to consummate the sale and delivery of the Debentures by the
 Managers at the Initial Subscription Price.

           (c) Each of the representations and warranties of the Company
 contained herein shall be true and correct at the related Closing Date, as if
 made on such date, and all covenants and agreements herein contained to be
 performed on the part of the Company and all conditions herein contained to be
 fulfilled or complied with by the Company at or prior to the related Closing
 Date, with respect to the Option Debentures shall have been duly performed,
 fulfilled or complied with.

           (d) The Managers shall have received the opinion, dated the related
 Closing Date, of Troop Meisinger Steuber & Pasich, LLP, counsel to the Company,
 in form and substance reasonably satisfactory to the Lead Manager and to
 counsel to the Managers.

           (e) The Managers shall have received the opinion, dated the related
 Closing Date, of Stroock & Stroock & Lavan, counsel for the Managers, in form
 and substance reasonably satisfactory to the Lead Manager.

           (f) At the time the Preliminary Offering Memorandum is delivered to
 the Managers, the Managers shall have received from the Accountants a "comfort"
 letter, dated the date of this Agreement, in form and substance satisfactory to
 the Lead Manager and counsel to the Managers with respect to the financial
 statements and certain financial information of the Company and its
 subsidiaries contained in the Offering Circular (including the Incorporated
 Documents), (i) confirming that they are independent accountants with respect
 to the Company and its subsidiaries within the meaning of Rule 101 of the Code
 of Professional Conduct of the American Institute of Certified Public
 Accountants, and its interpretations and rulings, and (ii) stating their
 conclusions and findings with respect to all financial and certain other
 statistical and numerical information contained in the Offering Circular.  At
 the Closing Date and, as to the Option Debentures, each Option Closing Date,
 the Accountants shall have furnished to the Managers a letter, dated the date
 of its delivery, which shall reaffirm such conclusions and findings as of the
 related Closing Date on the basis of a review conducted in accordance with the
 procedures set forth therein.

                                       17
<PAGE>
 
           (g) At the Initial Closing Date and on each Option Closing Date the
 Managers shall receive a certificate, dated the date of delivery, executed on
 its behalf by the Company's Chief Executive Officer and Chief Financial
 Officer, in form and substance satisfactory to the Lead Manager, to the effect
 that:

               (1) Each signatory of such certificate has carefully examined the
            Offering Circular and the Incorporated Documents and (A) as of the
            date of such certificate, the Offering Circular, taken as a whole
            and including the Incorporated Documents, does not contain any
            untrue statement of a material fact or omit to state a material fact
            necessary in order to make the statements therein, not misleading,
            and the Incorporated Documents, as of their respective initial issue
            dates, did not contain any untrue statement of a material fact or
            omit to state a material fact required to be stated therein or
            necessary in order to make the statements therein not misleading,
            and (B) since the date of this Agreement no event has occurred with
            respect to the Company or any of its subsidiaries as a result of
            which it is necessary to amend or supplement the Offering Circular
            (including the Incorporated Documents) in order to make the
            statements therein not untrue or misleading in any material respect;

               (2) Each of the representations and warranties of the Company
            contained in this Agreement were, when originally made, and are, at
            the time such certificate is delivered, true and correct;

               (3) Each of the covenants required herein to be performed by the
            Company on or prior to the date of such certificate has been duly,
            timely and fully performed and each condition herein required to be
            complied with by the Company on or prior to the delivery of such
            certificate has been duly, timely and fully complied with; and

               (4) No injunction, stop order, restraining order or order of any
            nature by a federal, state or foreign court of competent
            jurisdiction shall have been issued as of the date of such
            certificate that would prevent or interfere with the issuance of the
            Debentures; no proceedings with the purpose of preventing or
            interfering with the Offering are pending, threatened or, to the
            knowledge of the Company, contemplated by any securities or other
            governmental authority in any jurisdiction (including, without
            limitation, the Commission); no order of the Commission asserting
            that any of the transactions contemplated by this Agreement or the
            Offering Circular, other than the resale of Restricted Debentures or
            related Conversion Shares pursuant to the Registration Statement,
            are subject to the registration or prospectus delivery requirements
            of the Securities Act has been issued; no order suspending the
            qualification or exemption from qualification of the Debentures or
            the Conversion Shares under the securities or "Blue Sky" laws of any
            jurisdiction shall be in effect and no proceeding for such purpose
            shall be pending before or, to the knowledge of the Company,
            threatened by the authorities of any such jurisdiction.

           (h) The Registration Rights Agreement shall have been executed on or
 before the Initial Closing Date and the agreements described in Section 5(h)
 shall have been executed and delivered to the Lead Manager on or prior to the
 Initial Closing Date.

           (i) The Debentures shall have been accepted for listing on the
 Luxembourg Stock Exchange and for clearance through Euroclear and Cedel and for
 the designation of the Rule 144A Debentures as PORTAL eligible.

           (j) The Company and the Trustee, shall have entered into the
 Indenture Agreement and the Lead Manager shall have received a fully executed
 original copy thereof.

           (k) The Firm Debentures and the Option Debentures, as the case may
 be, shall have been made available for inspection and shall have been delivered
 to the Lead Manager or for the accounts of the Managers as set forth herein.

                                       18
<PAGE>
 
           (l) The Managers and counsel for the Managers shall have received
 such further certificates, documents or other information as they may have
 reasonably requested from the Company.

           (m) Since the date of the PPI Merger Agreement there shall not have
 occurred any event which gives rise to the Company's right to terminate the PPI
 Merger Agreement pursuant to Section 10.1(c) thereof.

      All opinions, certificates, letters and documents delivered pursuant to
 this Agreement will comply with the provisions hereof only if they are
 reasonably satisfactory in all material respects to the Lead Manager and
 counsel to the Managers.  The Company shall furnish to the Managers such
 conformed copies of such opinions, certificates, letters and documents in such
 quantities as the Managers and counsel for the Managers shall reasonably
 request.

      9.   Indemnification and Contribution.
           -------------------------------- 

           (a) The Company will indemnify and hold harmless each Manager, the
 directors, officers, employees and agents of each Manager and each person, if
 any, who controls each Manager within the meaning of Section 15 of the Act or
 Section 20 of the Exchange Act, from the against any and all losses, claims,
 liabilities, expenses and damages (including any and all investigative, legal
 and other expenses reasonably incurred in connection with, and any amount paid
 in settlement of, any action, suit or proceeding or any claim asserted), joint
 or several, to which they, or any of them, may become subject insofar as such
 losses, claims, liabilities, expenses or damages arise out of or are based on
 (i) any breach of a representation or warranty made by the Company in Section 4
 of this Agreement, (ii) any untrue statement or alleged untrue statement of a
 material fact contained in the Preliminary Offering Circular or the Offering
 Circular (or any amendment or supplement thereto), taken as a whole and
 including the Incorporated Documents (which term shall include, for purposes of
 this Section 9, the PRI Incorporated Documents and the PPI Incorporated
 Documents), or in the Incorporated Documents as of their respective dates of
 initial issuance, or in any application or other document, any amendment or
 supplement thereto, executed by the Company or based upon written information
 furnished by or on behalf of the Company filed in any jurisdiction in order to
 qualify the Debentures or Conversion Shares under the securities or "Blue Sky"
 laws thereof (each, an "Application"), or (iii) any omission or alleged
 omission to state a material fact (A) required to be stated in or necessary in
 order to make the statements in any Incorporated Document, as of its date of
 initial issuance, not misleading, or (B) necessary in order to make the
 statements in the Preliminary Offering Circular or the Offering Circular, taken
 as a whole and including the Incorporated Documents, in light of the
 circumstances under which they were made, not misleading, and shall reimburse
 to each Manager and each such controlling person, as incurred, any legal and
 other expenses incurred in investigating or defending or preparing to defend
 against or appearing as a third party witness in connection with any such loss,
 claim, damage, liability or action; provided, however, that the Company shall
                                     --------  -------                        
 not be liable to any Manager in any such case to the extent that any such loss,
 claim, damage or liability arises out of, or is based upon, any untrue
 statement or alleged untrue statement or omission or alleged omission made in
 the Preliminary Offering Circular or the Offering Circular, including any
 amendment or supplement thereto, in reliance upon and in conformity with
 information furnished to the Company by or on behalf of such Manager
 specifically for inclusion therein.  This indemnity agreement will be in
 addition to any liability that the Company might otherwise have.

           (b) Each Manager, severally and not jointly, agrees to indemnify and
 hold harmless the Company, each of its directors, each of its officers and each
 person, if any, who controls the Company within the meaning of Section 15 of
 the Securities Act or Section 20 of the Exchange Act against any losses,
 claims, damages or liabilities, joint or several, to the same extent as the
 foregoing indemnity from the Company to each Manager, but only insofar as such
 losses, claims, liabilities, expenses or damages are based solely on any untrue
 statement or alleged untrue statement or omission or alleged omission made in
 the Preliminary Offering Circular or the Offering Circular, including any
 amendment or supplement thereto, made in reliance upon and in conformity with
 information furnished to the Company by or on behalf of such Manager
 specifically for inclusion therein.  This indemnity shall be in addition to any
 liability which such Manager may otherwise have.

           (c) Any party that proposes to assert the right to be indemnified
 under this Section 9 will, promptly after receipt of notice of commencement of
 any action against such party in respect of which a claim is to be made against
 an indemnifying party or parties under this Section 9, notify each such
 indemnifying party of the commencement of such action, enclosing a copy of all
 papers served, but the omission so to notify such indemnifying party

                                       19
<PAGE>
 
 will not relieve it from any liability that it may have to any indemnified
 party under the foregoing provisions of this Section 9 unless, and only to the
 extent that, such omission results in the forfeiture of substantive rights or
 defenses by the indemnifying party.  If any such action is brought against any
 indemnified party and it notifies the indemnifying party of its commencement,
 the indemnifying party will be entitled to participate in and, to the extent
 that it so elects by delivering written notice to the indemnified party
 promptly after receiving notice of the commencement of the action from the
 indemnified party, jointly with any other indemnifying party similarly
 notified, to assume the defense of any such action, with counsel satisfactory
 to the indemnified party.  After receipt of such notice by the indemnified
 party from an indemnifying party, no indemnifying party will be liable to the
 indemnified party for any legal or other expenses except as provided below and
 except for the reasonable costs of investigation subsequently incurred by the
 indemnified party in connection with the defense of such action.

           The indemnified party will have the right to employ its own counsel
 in any such action, but the fees, expenses and other charges of such counsel
 will be at the expense of such indemnified party unless (i) the employment of
 such counsel by the indemnified party has been authorized in writing by the
 indemnifying party, (ii) the indemnified party has reasonably concluded (based
 on advice of counsel) that there may be legal defenses available to it or other
 indemnified parties that are different from or in addition to those available
 to the indemnifying party, (iii) a conflict or potential conflict exists (based
 on advice of counsel to the indemnified party) between the indemnified party
 and the indemnifying party (in which case the indemnifying party will not have
 the right to direct the defense of such action on behalf of the indemnified
 party), or (iv) the indemnifying party has not in fact employed counsel to
 assume the defense of such action within a reasonable time after receiving
 notice of the commencement of the action. In any such case, the reasonable
 fees, disbursements and other charges of counsel will be at the expense of the
 indemnifying party or parties.

           It is understood that in no event shall the indemnifying parties be
 liable for the fees, disbursements and other charges of more than one counsel
 (in addition to any local counsel) for all indemnified parties in connection
 with any one action or separate but similar or related actions in the same
 jurisdiction arising out of the same general allegations or circumstances. All
 such fees, disbursements and other charges will be reimbursed by the
 indemnifying party promptly as they are incurred and upon receipt of
 substantiation of such charges as the indemnifying party may reasonably
 request.

           The Company will not, without the prior written consent of each
 Manager, settle or compromise or consent to the entry. of any judgment in any
 pending or threatened claim, action, suit or proceeding in respect of which
 indemnification may be sought hereunder (whether or not such Manager or any
 person who controls such Manager within the meaning of Section 15 of the
 Securities Act or Section 20 of the Exchange Act is a party to each claim,
 action, suit or proceeding), unless such settlement, compromise or consent
 includes an unconditional release of each Manager and each such controlling
 person from all liability arising out of such claim, action, suit or
 proceeding.

           (d) In order to provide for just and equitable contribution in
 circumstances in which the indemnification provided for in the foregoing
 paragraphs of this Section 9 is applicable in accordance with its terms but for
 any reason is held to be unavailable from the Company or the Managers, the
 Company and the Managers will contribute to the total losses, claims,
 liabilities, expenses and damages (including any investigative, legal, and
 other expenses reasonably incurred in connection with, any amount paid in
 settlement of, any action, suit or proceeding or any claim asserted, but after
 deducting any contribution received by the Company from persons other than the
 Managers, such as persons who control the Company within the meaning of the
 Securities Act or the Exchange Act, officers and directors of the Company, who
 also may be liable for contribution) to which the Company and any one or more
 of the Manages may be subject in such proportion as shall be appropriate to
 reflect the relative benefits received by the Company, on the one hand, and the
 Managers on the other.  The relative benefits received by the Company, on the
 one hand, and the Managers on the other shall be deemed to be in the same
 proportion as the total net proceeds from the Offering (before deducting
 expenses) received by the Company bears to the total selling concession and
 combined underwriting and management fee received by the Managers, in each case
 as set forth in Section 1 hereof.  If, but only if, the allocation provided by
 the foregoing sentences is not permitted by applicable law, the allocation of
 contribution shall be made in such proportion as is appropriate to reflect not
 only the relative benefits referred to in the foregoing sentence but also the
 relative fault of the Company, on the one hand, and the Managers, on the other,
 with respect to the statements or omissions which resulted in such loss, claim,
 liability, expense or damage, or action in respect thereof, as well as any
 other relevant equitable considerations with respect to such offering.  Such
 relative fault shall be determined by reference

                                       20
<PAGE>
 
 to whether the untrue or alleged untrue statement of a material fact or
 omission or alleged omission to state a material fact relates to information
 supplied by the Company or the Lead Manager on behalf of the Managers, the
 intent of the parties and their relative knowledge, access to information and
 opportunity to correct or prevent such statement or omission.

           The Company and the Managers agree that it would not be just and
 equitable if contributions pursuant to this Section 9(d) were to be determined
 by pro rata allocation (even if the Managers were treated as one entity for
 such purpose) or by any other method of allocation which does not take into
 account the equitable considerations referred to herein.  The amount paid or
 payable by an indemnified party as a result of the loss, claim, liability,
 expense or damage, or action in respect thereof, referred to above in this
 Section 9(d) shall be deemed to include, for purposes of this Section 9(d), any
 legal or other expenses reasonably incurred by such indemnified parry in
 connection with investigating or defending any such action or claim.

           Notwithstanding the provisions of this Section 9(d), (i) no Manager
 shall be required to contribute, cumulatively, any amount in excess of the
 selling concession and combined underwriting and management fee received by it
 less any amounts paid by such Manager and (ii) no person found guilty of
 fraudulent misrepresentation (within the meaning of Section 11(f) of the
 Securities Act) will be entitled to contribution from any person who was not
 guilty of such fraudulent misrepresentation.  The Managers' obligations to
 contribute as provided in this Section 9(d) are several in proportion to their
 respective subscription obligations and not joint.  For purposes of this
 Section 9(d), any person who controls a party to this Agreement within the
 meaning of the Securities Act or the Exchange Act will have the same rights to
 contribution as that party, and each director or officer of the Company will
 have the same rights to contribution as the Company, subject in each case to
 the provisions hereof.  Any party entitled to contribution, promptly after
 receipt of notice of commencement of any action against such parry in respect
 of which a claim for contribution may be made under this Section 9(d), will
 notify any such parry or parties from whom contribution may be sought, but the
 omission so to notify will not relieve the party or parties from whom
 contribution may be sought from any other obligation it or they may have under
 this Section 9(d).  No party will be liable for contribution with respect to
 any action or claim settled without its written consent (which consent will not
 be unreasonably withheld).

           Any party entitled to contribution will, promptly after receipt of
 notice of commencement of any action, suit or proceeding against such party in
 respect to which a claim for contribution may be made against another party or
 parties under this Section 9(d), notify such party or parties from whom
 contribution may be sought, but the omission so to notify such party or parties
 shall not relieve the party or parties from whom contribution may be sought
 from any other obligation (x) it or they may have hereunder or otherwise than
 under this Section 9(d) or (y) to the extent that such party or parties were
 not adversely affected by such omission.  The contribution agreement set forth
 above shall be in addition to any liabilities which any indemnifying party may
 otherwise have.

      10.  Survival.  The respective representations, warranties,agreements,
           --------
 covenants, indemnities and other statements of the Company, its officers and
 the several Managers set forth in this Agreement or made by or on behalf of
 them, respectively, pursuant to this Agreement shall remain in fill force and
 effect, regardless of (i) any investigation made by or on behalf of the
 Company, any of its officers or directors, any Managers or any controlling
 person referred to in Section 9 hereof and (ii) delivery of and payment for the
 Debentures. The respective agreements, covenants, indemnities and other
 statements set forth in Sections 5 and 9 hereof shall remain in full force and
 effect, regardless of any termination or cancellation of this Agreement.

      11.  Termination.  The obligations of the Managers under this Agreement 
           -----------                                             
 may be terminated at any time prior to the Initial Closing Date or, with
 respect to the Option Debentures, on or prior to the related Option Closing
 Date, by notice to the Company from the Lead Manager, without liability on the
 part of any Manager to the Company, if, prior to delivery and payment for the
 Debentures, in the sole discretion of the Managers:

           (i) the Company shall have failed, refused or been unable to perform
      all obligations and satisfy all conditions on its part to be performed or
      satisfied hereunder at or prior thereto;

                                       21
<PAGE>
 
           (ii)   trading in any equity securities of the Company shall have
      been suspended by the Commission or by an exchange that lists the Common
      Stock;

           (iii)  trading in securities generally on the New York Stock
      Exchange, the American Stock Exchange, the Nasdaq Stock Market, the
      Luxembourg Stock Exchange or the International Stock Exchange of the
      United Kingdom and the Republic of Ireland Limited shall have been
      suspended or limited or minimum or maximum prices shall have been
      generally established on any such exchange or market, or additional
      material governmental restrictions, not in force on the date of this
      Agreement, shall have been imposed upon trading in securities generally by
      any of such exchanges or markets or by order of the Commission or any
      court or other governmental authority;

           (iv)   a general banking moratorium shall have been declared by
      United States federal, New York State, California State, Luxembourg or
      United Kingdom authorities; or

           (v)    any material adverse change in the financial or securities
      markets in the United States, Luxembourg or the United Kingdom or any
      outbreak or escalation of hostilities or declaration by the United States,
      Luxembourg or the United Kingdom of a national emergency or war or other
      calamity or crisis shall have occurred, the effect of any of which is such
      as to make it, in the sole judgment of the Lead Manager, impracticable or
      inadvisable to proceed with the Offering or the delivery of the Debentures
      on the terms and in the manner contemplated by the Offering Circular.

 Any termination pursuant to this Section 11 shall be without liability of any
 party to any other party except as provided in sections 7 and 9.

      12.  Notices.  All communications hereunder shall be in writing and, if 
           -------                                                        
 sent to the Lead Manager, shall be mailed or delivered or telecopied and
 confirmed in writing to their address set forth on the first page hereof,
 Attention: Melvyn Rowe, and if sent to the Company, shall be mailed, delivered
 or telecopied and confirmed in writing to the Company at 3420 Ocean Park
 Boulevard, Suite 1000, Santa Monica, California 90405, Attention: Chief
 Financial Officer.

      13.  Successors.  This Agreement shall inure to the benefit of and shall
           ----------                                                   
 be binding upon the several Managers, the Company and their respective
 successors and legal representatives, and nothing expressed or mentioned in
 this Agreement is intended or shall be construed to give any other person any
 legal or equitable right, remedy or claim under or in respect of this
 Agreement, or any provisions herein contained, this Agreement and all
 conditions and provisions hereof being intended to be and being for the sole
 and exclusive benefit of such persons and for the benefit of no other person
 except that (i) the indemnities of the Company contained in Section 9(a) of
 this Agreement shall also be for the benefit of any person named therein and
 (ii) the indemnities of the Managers contained in Section 9(b) of this
 Agreement shall also be for the benefit of. the persons named therein.  No
 purchaser of Debentures shall be deemed a successor because of such purchase.
 This Agreement shall not be assignable by any party hereto without the prior
 written consent of the other party.

      14.  Applicable Law.  This Agreement shall be governed by and construed 
           --------------                                          
 in accordance with the laws of the State of New York, without regard to
 principles of conflicts of laws.

      15.  Counterparts.  This Agreement may be executed in two or more
           ------------                                                
 counterparts, each of which shall be deemed an original, but all of which
 together shall constitute one and the same instrument.

      16.  Waiver of Jury Trial.  The Company and the Managers each hereby
           --------------------                                           
 irrevocably waive any right they may have to a trial by jury in respect of any
 claim based upon or arising out of this Agreement or the transactions
 contemplated hereby.

                                       22
<PAGE>
 
      If the foregoing correctly sets forth the agreement among the Company and
 the Managers, please indicate your acceptance in the space provided for that
 purpose below.


                                      Very truly yours,


                                      VETERINARY CENTERS OF AMERICA, INC.


                                      By: /s/ Robert L. Antin
                                          --------------------------------
                                          Name:  Robert L. Antin
                                          Title: Chief Executive Officer


 ACCEPTED:

 NATWEST SECURITIES LIMITED
 For itself and on behalf of the several Managers

 By: /s/ Melvin Rowe
     --------------------------------------------
     Name:  Melvin Rowe
     Title: Director, Equity Capital Markets

                                       23
<PAGE>
 
                                  SCHEDULE I

<TABLE> 
<CAPTION> 

                                                          Principal Amount  
                                                          of Firm Debentures
               Managers                                    to be Purchased  
               --------                                    ---------------   
         <S>                                              <C> 

         NatWest Securities Limited                          $80,000,000
                                                             ----------- 

               Total                                         $80,000,000
                                                             ===========
</TABLE> 

                                       24
<PAGE>
 
                                  SCHEDULE II


                                 Subsidiaries
                                 ------------

                                       25
<PAGE>
 
                                 SCHEDULE III

                                  Term Sheet
                                  ----------
                      VETERINARY CENTERS OF AMERICA, INC.


                                  $80,000,000
              5.25% Convertible Subordinated Debentures Due 2006
                               Summary of Terms

<TABLE>

=============================================================================================
<S>                                       <C>
Issuer:................................   Veterinary Centers of America, Inc. (the
                                          "Company")

Securities:............................   Convertible Subordinated Debentures (the
                                          "Debentures"); $1,000 par value or principal amount

Principal Amount:......................   $80.00 million

Issue Price:...........................   100% of par

Overallotment Option...................   15.00%/$12.00 million

Structure:.............................   Underwritten offering of Debentures sold pursuant to
                                          Regulation S under the Securities Act of 1933, as
                                          amended (the "Euro-Debentures") concurrent with a
                                          domestic offering of Debentures sold pursuant to
                                          Rule 144A under the Securities Act (the "U.S.
                                          Debentures").

Coupon Rate:...........................   5.25% payable semi-annually in arrears

Maturity:..............................   10 years/May 1, 2006

Debt Ratings:..........................   Not Rated

Stock Price (4/2/96):..................   $28.625

Conversion Premium:....................   20%

Conversion Price:......................   $34.35

Conversion Ratio.......................   29.11 Shares per bond

Primary Shares Outstanding.............   12.1 million

Shares Issuable Upon Conversion........   2.3 million

Shares Outstanding After Conversion:...   14.4 million

Dilution:..............................   15.97%
</TABLE>

                                       26
<PAGE>
 
<TABLE> 

<S>                                       <C> 
Registration Rights:...................   Within 180 days following the sale of the
                                          Debentures, the Company will file a registration
                                          statement relating to the resale of the U.S.
                                          Debentures and the shares of Common Stock issuable
                                          on conversion of the U.S. Debentures and will use
                                          its best efforts to keep such registration statement
                                          continuously effective during such period ending
                                          three years after the date on which the registration
                                          statement becomes effective.

Covertibility:.........................   Euro-Debentures are convertible at any time from 40
                                          days following the date of closing and prior to
                                          redemption or maturity, at the holders' option, into
                                          shares of Common Stock of the Company at the
                                          Conversion Price.  The U.S. Debentures are
                                          convertible into shares of Common Stock of the
                                          Company at the Conversion Price at any time
                                          following the effectiveness of the registration
                                          statement.

Call Features..........................   Not redeemable for 3 years, then redeemable at the
                                          option of the Company, at any time, in whole or in
                                          part, together with accrued and unpaid interest, in
                                          accordance with the following schedule:
 
                                          On or after May 16,         Premium
                                          -------------------         -------
                                                 1999                  103%
                                                 2000                  102%
                                                 2001                  101% 
                                                 2002 and thereafter   100%

Interest Payment Dates.................   May 1 and November 1

First Payment Date.....................   November 1, 1996

First Payment Amount...................   $28.29                                       

Use of Proceeds:.......................   For general corporate purposes

Underwriter/Placement Agent:...........   NatWest Securities Limited/NatWest Markets

Placement Fee (%)......................   2.50% of gross proceeds raised

Placement Fee ($)......................   $25.00 per bond

Selling Concession.....................   $15.00 per bond

Management Fee.........................   $5.00 per bond

Underwriting Fee.......................   $5.00 per bond

Listing:...............................   An application will be made to list the debentures
                                          on Luxembourg Stock Exchange (Euro-Debentures).
                                          PORTAL (U.S. Debentures).

Cusip Number...........................   925514AA9

ISIN Number............................   XS0065425737

Common Code............................   6542573
</TABLE> 

                                       27
<PAGE>
 
<TABLE> 

<S>                                       <C> 
Trade Date.............................   April 3, 1996

Settlement Date/Dated Date.............   April 17, 1996
                                          (DTC-144A Bonds)
                                          (Euroclear-Euro Bond)
</TABLE>

                                       28

<PAGE>
 
                                                                     EXHIBIT 5.1


                     TROOP MEISINGER STEUBER & PASICH, LLP
                                    LAWYERS

                                 July 17, 1996
 


Veterinary Centers of America, Inc.
3420 Ocean Park Boulevard, Suite 1000
Santa Monica, CA 90405

Ladies/Gentlemen:

        At your request, we have examined the Registration Statement on Form S-3
(the "Registration Statement") to which this letter is attached as Exhibit 5.1
filed by Veterinary Centers of America, Inc., a Delaware corporation (the
"Company"), in order to register under the Securities Act of 1933, as amended
(the "Act"), $37,100,000 amount of Debentures and 1,080,059 shares of Common
Stock of the Company underlying the Debentures and any additional shares of
Common Stock of the Company which may be registered pursuant to Rule 462(b)
under the Act (the "Shares").

        We are of the opinion that the Debentures have been duly authorized and
constitute the valid and binding obligations of the Company, enforceable against
the Company in accordance with their terms, except as enforceability may be
limited by applicable bankruptcy, insolvency, reorganization, moratorium or
similar laws relating to or affecting creditors' rights generally from time to
time in effect and except that equitable remedies may not in all cases be
available (regardless of whether enforceability is considered in a proceeding at
law or equity).

        We are of the opinion that the Shares have been duly authorized and upon
conversion of the Debentures and issuance of the Shares in conformity with and
pursuant to the Indenture, the Shares will be legally and validly issued, fully
paid and non-assessable.

        We consent to the use of this opinion as an Exhibit to the Registration
Statement and to use of our name in the Prospectus constituting a part thereof.



                                     Respectfully submitted,


                                     /s/ Troop Meisinger Steuber & Pasich, LLP

                                     TROOP MEISINGER STEUBER & PASICH, LLP

<PAGE>
 
                                                                    EXHIBIT 23.1


                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS


As independent public accountants, we hereby consent to the use of our reports
and to all references to our Firm included in or made a part of this
Registration Statement.



                                             /s/ Arthur Andersen LLP
                                             ARTHUR ANDERSON LLP

Los Angeles, California
July 16, 1996

<PAGE>
 
                                                                    EXHIBIT 23.2


                      CONSENT OF INDEPENDENT ACCOUNTANTS

We hereby consent to the incorporation by reference in the Registration
Statement on form S-3 of our reports as of the dates and relating to the
financial statements of the companies listed below, which appear on the
following pages of the current report on Form 8-K of Veterinary Centers of
America, Inc. dated July 3, 1996:

<TABLE>
<CAPTION>
 
     COMPANY                      DATE OF REPORT      PAGE REFERENCE 
     -------                      --------------      -------------- 
  <S>                             <C>                 <C>            
                                                                     
  The Pet Practice, Inc.          March 22, 1996      F-21           
                                                                     
  Professional Veterinary         March 29, 1995      F-36            
  Hospitals of America, Inc.
</TABLE>

  We also consent to the reference to us under the heading "Experts" in
  such Registration Statement.

  /s/ Price Waterhouse LLP
  PRICE WATERHOUSE
  Philadelphia, PA
  July 12, 1996

<PAGE>
 
                                                                    EXHIBIT 23.3


                      CONSENT OF INDEPENDENT ACCOUNTANTS
                      ----------------------------------

We hereby consent to the incorporation by reference in the Prospectus
constituting part of this Registration Statement on Form S-3 of Veterinary
Centers of America, Inc. of our report dated September 12, 1995, relating to the
financial statements of Pets' Rx, Inc., which appears in the amended Current
Report on Form 8-K/A of Veterinary Centers of America, Inc. dated July 16, 1996.
We also consent to the reference to us under the heading "Experts" in such
Prospectus.



/s/ Price Waterhouse LLP
PRICE WATERHOUSE LLP
San Jose, California
July 16, 1996

<PAGE>
 
                                                                    EXHIBIT 25.1


      ___________________________________________________________________

                      SECURITIES AND EXCHANGE COMMISSION
                           Washington, D. C.  20549
                           _________________________

                                   FORM  T-1

                           STATEMENT OF ELIGIBILITY
                   UNDER THE TRUST INDENTURE ACT OF 1939 OF
                  A CORPORATION DESIGNATED TO ACT AS TRUSTEE
                  ___________________________________________
              CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF
               A TRUSTEE PURSUANT TO SECTION 305(b)(2) ________
                   ________________________________________

                           THE CHASE MANHATTAN BANK
              (Exact name of trustee as specified in its charter)

NEW YORK                                                   13-4994650   
(State of incorporation                                 (I.R.S. employer
if not a national bank)                               identification No.)
270 PARK AVENUE                                                         
NEW YORK, NEW YORK                                                 10017
(Address of principal executive offices)                      (Zip Code) 

                              William H. McDavid
                                General Counsel
                                270 Park Avenue
                           New York, New York 10017
                             Tel:  (212) 270-2611
           (Name, address and telephone number of agent for service)
                 _____________________________________________
                      VETERINARY CENTERS OF AMERICA, INC.
              (Exact name of obligor as specified in its charter)

DELAWARE                                                   95-4097995
(State or other jurisdiction of                         (I.R.S. employer
incorporation or organization)                        identification No.)

3420 OCEAN PARK BOULEVARD, SUITE 1000
SANTA MONICA, CALIFORNIA                                           90405
(Address of principal executive offices)                      (Zip Code)

                  ___________________________________________
                        5 1/4% CONVERTIBLE SUBORDINATED
                              DEBENTURES DUE 2006
                      (Title of the indenture securities)
             _____________________________________________________
<PAGE>
 
                                    GENERAL

Item 1.   General Information.

          Furnish the following information as to the trustee:

          (a)  Name and address of each examining or supervising authority to
               which it is subject.
 
               New York State Banking Department, State House, Albany, New York
               12110.

               Board of Governors of the Federal Reserve System, Washington,
               D.C., 20551
 
               Federal Reserve Bank of New York, District No. 2, 33 Liberty
               Street, New York, N.Y.

               Federal Deposit Insurance Corporation, Washington, D.C., 20429.


          (b)  Whether it is authorized to exercise corporate trust powers.

               Yes.


Item 2.   Affiliations with the Obligor.

          If the obligor is an affiliate of the trustee, describe each such
          affiliation.

          None.

                                       2
<PAGE>
 
Item 16.  List of Exhibits
 
          List below all exhibits filed as a part of this Statement of
          Eligibility.

          1.   A copy of the Articles of Association of the Trustee as now in
effect, including the Organization Certificate and the Certificates of Amendment
dated February 17, 1969, August 31, 1977, December 31, 1980, September 9, 1982,
February 28, 1985 and December 2, 1991 (see Exhibit 1 to Form T-1 filed in
connection with Registration Statement No. 33-50010, which is incorporated by
reference).

          2.   A copy of the Certificate of Authority of the Trustee to Commence
Business (see Exhibit 2 to Form T-1 filed in connection with Registration
Statement No. 33-50010, which is incorporated by reference).

          3.   None, authorization to exercise corporate trust powers being
contained in the documents identified above as Exhibits 1 and 2.

          4.   A copy of the existing By-Laws of the Trustee (see Exhibit 4 to
Form T-1 filed in connection with Registration Statement No. 33-84460, which is
incorporated by reference).

          5.   Not applicable.

          6.   The consent of the Trustee required by Section 321(b) of the Act
(see Exhibit 6 to Form T-1 filed in connection with Registration Statement No.
33-50010, which is incorporated by reference).

          7.   A copy of the latest report of condition of the Trustee,
published pursuant to law or the requirements of its supervising or examining
authority.

          8.   Not applicable.

          9.   Not applicable.

                                   SIGNATURE

          Pursuant to the requirements of the Trust Indenture Act of 1939 the
Trustee, The Chase Manhattan Bank, a corporation organized and existing under
the laws of the State of New York, has duly caused this statement of eligibility
to be signed on its behalf by the undersigned, thereunto duly authorized, all in
the City of New York and State of New York, on the 15th day of July, 1996.
                                                   ----        ----       

                                       THE CHASE MANHATTAN BANK

 
                                       By /s/ Lucia Jaklitsch
                                          -------------------
                                          Assistant Treasurer

                                       3
<PAGE>
 
                             Exhibit 7 to Form T-1
                               Bank Call Notice

                            RESERVE DISTRICT NO. 2
                      CONSOLIDATED REPORT OF CONDITION OF

                                 Chemical Bank
                 of 270 Park Avenue, New York, New York 10017
                    and Foreign and Domestic Subsidiaries,
                    a member of the Federal Reserve System,

                  at the close of business March 31, 1996, in
        accordance with a call made by the Federal Reserve Bank of this
        District pursuant to the provisions of the Federal Reserve Act.

<TABLE>
<CAPTION>


          DOLLAR AMOUNTS                                             IN MILLIONS
<S>                                                                  <C>
                             ASSETS
Cash and balances due from depository institutions:
    Noninterest-bearing balances and
    currency and coin...........................................      $  3,391
    Interest-bearing balances...................................         2,075
Securities:...........................................
Held to maturity securities.....................................         3,607
Available for sale securities...................................        29,029
Federal Funds sold and securities purchased under
    agreements to resell in domestic offices of the
    bank and of its Edge and Agreement subsidiaries,
    and in IBF's:
    Federal funds sold..........................................         1,264
    Securities purchased under agreements to resell.............           354
Loans and lease financing receivables:
    Loans and leases, net of unearned income....................      $ 73,216
    Less: Allowance for loan and lease losses...................         1,854
    Less: Allocated transfer risk reserve.......................           104
                                                                      --------
    Loans and leases, net of unearned income,
    allowance, and reserve......................................        71,258
Trading Assets..................................................        25,919
Premises and fixed assets (including capitalized
    leases).....................................................         1,337
Other real estate owned.........................................            30
Investments in unconsolidated subsidiaries and
    associated companies........................................           187
Customer's liability to this bank on acceptances
    outstanding.................................................         1,082
Intangible assets...............................................           419
Other assets....................................................         7,406
                                                                      --------
TOTAL ASSETS....................................................      $147,358
                                                                      ========
</TABLE>

                                       4
<PAGE>
 
<TABLE>

<S>                                                                   <C>
                             LIABILITIES

Deposits
    In domestic offices.........................................      $ 45,786
    Noninterest-bearing.........................................      $ 14,972
    Interest-bearing............................................        30,814
                                                                      --------
    In foreign offices, Edge and Agreement subsidiaries,
    and IBF's...................................................        36,550
    Noninterest-bearing.........................................      $    202
    Interest-bearing............................................        36,348
                                                                      --------

Federal funds purchased and securities sold under agree-
ments to repurchase in domestic offices of the bank and
    of its Edge and Agreement subsidiaries, and in IBF's
    Federal funds purchased.....................................        11,412
    Securities sold under agreements to repurchase..............         2,444
Demand notes issued to the U.S. Treasury........................           699
Trading liabilities.............................................        19,998
Other Borrowed money:
    With a remaining maturity of one year or less...............        11,305
    With a remaining maturity of more than one year.............           130
Mortgage indebtedness and obligations under capitalized
    leases......................................................            13
Bank's liability on acceptances executed and outstanding........         1,089
Subordinated notes and debentures...............................         3,411
Other liabilities...............................................         6,778

TOTAL LIABILITIES...............................................       139,615
                                                                      --------

                             EQUITY CAPITAL

Common stock....................................................           620
Surplus.........................................................         4,664
Undivided profits and capital reserves..........................         3,058
Net unrealized holding gains (Losses)
on available-for-sale securities................................          (607)
Cumulative foreign currency translation adjustments.............             8

TOTAL EQUITY CAPITAL............................................         7,743
                                                                      --------
TOTAL LIABILITIES, LIMITED-LIFE PREFERRED
    STOCK AND EQUITY CAPITAL....................................      $147,358
                                                                      ========
</TABLE>

I, Joseph L. Sclafani, S.V.P. & Controller of the
above-named bank, do hereby declare that this Report of
Condition has been prepared in conformance with the in-
structions issued by the appropriate Federal regulatory
authority and is true to the best of my knowledge and
belief.
                           JOSEPH L. SCLAFANI

We, the undersigned directors, attest to the correctness
of this Report of Condition and declare that it has been
examined by us, and to the best of our knowledge and
belief has been prepared in conformance with the in-
structions issued by the appropriate Federal regulatory
authority and is true and correct.

                WALTER V. SHIPLEY   )
                EDWARD D. MILLER    )DIRECTORS
                THOMAS G. LABRECQUE )

                                       5


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