II-VI INC
10-Q, 1995-11-13
OPTICAL INSTRUMENTS & LENSES
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<PAGE>
 
                                   FORM 10-Q
         
         
                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549


[X] Quarterly Report under Section 13 or 15(d) of the Securities Exchange Act
    of 1934

              For the quarterly period ended, September 30, 1995

[ ] Transition report pursuant to Section 13 or 15(d) of the Securities
    Exchange Act of 1934 for the transition period from            to
                                                        -----------
                .
    ------------         

                        Commission File Number: 0-16195


                              II-VI INCORPORATED
            (Exact name of registrant as specified in its charter)

        PENNSYLVANIA                                         25-1214948
 (State or other jurisdiction of                          (I.R.S. Employer
  incorporation or organization)                         Identification No.)

      375 Saxonburg Boulevard
        Saxonburg, PA 16056                                     16056
(Address of principal executive offices)                     (Zip Code)

       Registrant's telephone number, including area code: 412-352-4455

Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the preceding 12 months (or for such shorter period that the registrant was
required to file such reports), and (2) has been subject to such filing
requirements for the past 90 days.

                          Yes x               No
                             ---                ---     

Indicate the number of shares outstanding of each of the issuer's classes of
common stock as of the latest practicable date:

  At November 10, 1995, 6,114,690 shares of Common Stock, no par value,
  of the registrant were outstanding.
<PAGE>
 
                      II-VI INCORPORATED AND SUBSIDIARIES
                      -----------------------------------

                                     INDEX
                                     -----

<TABLE>
<CAPTION>

                                                                                                      Page No.
                                                                                                      --------
<S>      <C>                                                                                          <C>
 
PART 1 - FINANCIAL INFORMATION

         Item 1.  Financial Statements.

                   Independent Accountants' Report. . . . . . . . . . . . . . . . . . . . . . . . .       3

                   Condensed Consolidated Balance Sheets - September 30, 1995, and
                   June 30, 1995. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .       4

                   Condensed Consolidated Statements of Earnings -- Three months ended
                   September 30, 1995 and 1994 . . . . . .. . . . . . . . . . . . . . . . . . . . .       5

                   Condensed Consolidated Statements of Shareholders' Equity -- Three months
                   ended September 30, 1995 . . . . . . . . . . . . . . . . . . . . . . . . . . . .       6

                   Condensed Consolidated Statements of Cash Flows -- Three months
                   ended September 30, 1995 and 1994. . . . . . . . . . . . . . . . . . . . . . . .       7

                   Notes to Condensed Consolidated Financial Statements . . . . . . . . . . . . . .       8


         Item 2.   Management's Discussion and Analysis of Financial Condition
                   and Results of Operations  . . . . . . . . . . . . . . . . . . . . . . . . . . .      10


PART II - OTHER INFORMATION

         Item 6.   Exhibits and Reports on Form 8-K . . . . . . . . . . . . . . . . . . . . . . . .      11


</TABLE>

                                       2
<PAGE>
 
[LOGO OF ALPERN, ROSENTHAL & COMPANY]
      Certified Public Accountants

Warner Centre, Suite 400 . 332 Fifth Avenue . Pittsburgh,
Pennsylvania  15222-2413
(412) 281-2501  .  Fax (412) 471-1996
                                 
                        Independent Accountants' Report
                                 
                                 
                                 
To the Board of Directors and
Shareholders of II-VI Incorporated
Saxonburg, Pennsylvania

     We have reviewed the accompanying condensed consolidated balance sheet of
II-VI Incorporated and Subsidiaries as of September 30, 1995, and the related
condensed consolidated statements of operations, shareholders' equity and cash
flows for the three month periods ended September 30, 1995 and 1994. These 
financial statements are the responsibility of the Company's management.

     We conducted our review in accordance with standards established by the
American Institute of Certified Public Accountants. A review of interim
financial information consists principally of applying analytical procedures to
financial data and of making inquiries of persons responsible for financial and
accounting matters. It is substantially less in scope than an audit conducted in
accordance with generally accepted auditing standards, the objective of which is
the expression of an opinion regarding the financial statements taken as a
whole. Accordingly, we do not express such an opinion.

     Based on our review, we are not aware of any material modifications that
should be made to such condensed consolidated financial statements for them to
be in conformity with generally accepted accounting principles.

     We have previously audited, in accordance with generally accepted auditing
standards, the consolidated balance sheet of II-VI Incorporated and Subsidiaries
as of June 30, 1995, and the related consolidated statements of earnings,
shareholders' equity and cash flows for the year then ended (not presented
herein); and in our report dated August 19, 1995, we expressed an unqualified
opinion on those consolidated financial statements. In our opinion, the
information set forth in the accompanying condensed consolidated balance sheet
as of June 30, 1995 is fairly stated, in all material respects, in relation to
the consolidated balance sheet from which it has been derived.

/s/ Alpern, Rosenthal & Company
Alpern, Rosenthal & Company

October 20, 1995


                          A Professional Corporation
- --------------------------------------------------------------------------------
<TABLE>
<S>                          <C>                                          <C>
Irving P. Rosenthal, CPA         Members American and Pennsylvania         Deborah H. Wells, CPA
Michael H. Levin, CPA        Institutes of Certified Public Accountants    Fred M. Rock, CPA
Harvey A. Pollack, CPA                                                     Sean M. Brennan, CPA
Fred J. Morelli, Jr., CPA      Accounting Firms Associated, inc.           Alexander Paul, CPA
Edward F. Rockman, CPA           Member Firms in Principal Cities          Michael E. Forgas, CPA
Emanuel V. DiNatale, CPA                                                   Joel M. Rosenthal, CPA

</TABLE>

                                       3
<PAGE>
 
                        PART 1 - FINANCIAL INFORMATION
                
Item 1. Financial Statements
- ---------------------------------------------------

II-VI Incorporated and Subsidiaries
Condensed Consolidated Balance Sheets (Unaudited)
($000 except share data)

<TABLE>
<CAPTION>

                                                                September 30     June 30
                                                                     1995         1995 
                                                                ------------    ---------
<S>                                                             <C>            <C> 
Assets

Current Assets
   Cash and equivalents                                          $     1,148   $    3,822 
   Accounts receivable - less allowance for doubtful
    accounts of $225 at 9/30/95 and $261 at 6/30/95                    5,589        5,412
   Inventories                                                         4,245        4,165
   Deferred income taxes                                                 317          309
   Prepaid and other current assets                                      403          376                  
                                                                 -----------    ---------
      Total Current Assets                                            11,702       14,084

Property, Plant & Equipment, net                                      11,794        9,892
Other Assets                                                             378          391
                                                                  -----------   ---------
                                                                  $   23,874    $  24,367
                                                                  ==========    =========

Liabilities and Shareholders' Equity

Current Liabilities
   Accounts payable - trade                                       $    1,006    $     835
   Accrued salaries, wages and bonuses                                 1,188        2,114
   Income taxes payable                                                  564          585 
   Accrued profit sharing contribution                                    91          278 
   Other current liabilities                                             877        1,027
   Current portion of long-term debt                                     327          373
                                                                  ----------    ---------
       Total Current Liabilities                                       4,053        5,212

Long-Term Debt--less current portion                                     969        1,190

Deferred Income Taxes                                                    936          967

Commitments & Contingencies                                                -           -

Shareholders' Equity
   Preferred stock, no par value; authorized -
   5,000,000 shares; unissued                                              -           -

   Common stock, no par value; authorized - 30,000,000 shares;
   issued - 5,685,313 shares at 9/30/95 and 5,669,987 at 6/30/95       4,536       4,485 
   Cumulative translation adjustment                                      44         (17)      
   Retained Earnings                                                  14,466      13,660
                                                                    --------    --------
                                                                      19,046      18,128 

   Less treasury stock, at cost - 570,623 shares at
   9/30/95 and 6/30/95.                                                1,130       1,130
                                                                    --------    --------
                                                                      17,916      16,998
                                                                    --------    --------
                                                                    $ 23,874    $ 24,367
                                                                    ========    ========

</TABLE> 

All share data reflects the two-for-one stock split which was effected on the
close of business September 6, 1995.

- -See notes to condensed consolidated financial statements.

                                       4
<PAGE>
 
II-VI Incorporated and Subsidiaries
Condensed Consolidated Statements of Earnings (Unaudited)
($000 except per share data)


<TABLE>
<CAPTION>

                                                       Three Months Ended
                                                          September 30,
                                                     1995             1994
                                                 ------------     -----------
<S>                                              <C>              <C>
Revenues
Net Sales:
   Domestic                                      $      4,237     $     2,405
   International                                        3,720           2,756
                                                 ------------     -----------
                                                        7,957           5,161
Contract research and development                         131             285
                                                 ------------     ----------- 
                                                        8,088           5,446
                                                 ------------     -----------

Costs, Expenses & Other Income

Cost of goods sold                                      4,556           3,064
Contract research and development                         101             198
Internal research and development                         148             132
Selling, general and administrative expenses            2,131           1,472
Interest and other expense - net                           16              11
                                                 ------------     -----------
                                                        6,952           4,877
                                                 ------------     -----------

Earnings Before Income Taxes                            1,136             569

Income Tax Expense                                        330             173
                                                 ------------     -----------

Net Earnings                                     $        806     $       396
                                                 ============     -----------
Earnings Per Share                               $       0.15     $      0.08  
                                                 ============     ===========

</TABLE>

All share data reflects the two-for-one stock split which was effected on the 
close of business September 6, 1995.

- -See notes to condensed consolidated financial statements.

                                       5
<PAGE>
 
II-VI Incorporated and Subsidiaries
Condensed Consolidated Statement of Shareholders' Equity (Unaudited)
(000)

<TABLE>
<CAPTION>                                                       
                                         Common Stock           Cumulative                      Treasury Stock
                                       -----------------        Translation      Retained      -----------------
                                       Shares      Amount       Adjustment       Earnings      Shares     Amount       Total
                                       ------     --------      ----------       ----------    ------   ---------     --------
<S>                                    <C>        <C>           <C>              <C>           <C>      <C>           <C>
Balance--July 1, 1995                   5,670     $ 4,485       $      (17)      $ 13,660        (571)  $ (1,130)     $ 16,998

 Shares issued under stock option          15          51                -              -           -          -            51
 plan

 Net earnings for the quarter               -           -                -            806           -          -           806 

 Translation adjustment                     -           -                61             -           -          -            61 
                                       ------     -------       -----------      --------      ------   --------      --------   

Balance--September 30, 1995             5,685     $ 4,536       $        44      $ 14,466        (571)  $ (1,130)     $ 17,916
                                       ======     =======       ===========      ========      ======   ========      ========

</TABLE>

All share data reflects the two-for-one stock split which was effected on the 
close of business September 6, 1995.

- -See notes to condensed consolidated financial statements.

                                       6
<PAGE>
 
II-VI Incorporated and Subsidiaries
Condensed Consolidated Statements of Cash Flows (Unaudited)
($000)

<TABLE>
<CAPTION>

                                                                   Three Months Ended
                                                                     September 30,
                                                                 1995               1994
                                                          --------------       ---------------

<S>                                                       <C>                  <C>
Cash Flows from Operating Activities
   Net Earnings                                           $          806       $          396
   Adjustments to reconcile net earnings to net
   cash provided by operating activities:                            
      Depreciation and amortization                                   593                 489          
      Loss on sale of asset                                             -                  15
      (Gain) loss on foreign currency transactions                     39                 (38)
      Deferred income taxes                                           (38)                 33
   Increase (decrease) in cash from changes in:
      Accounts receivable                                            (405)                 21
      Inventories                                                    (221)               (230)
      Accounts payable                                                346                 122
      Accrued salaries, wages and bonuses                            (923)                (78)
      Accrued profit sharing contribution                            (187)                (26)
      Income taxes payable                                            (21)                 33
      Other operating net assets                                     (175)                 67
                                                          ---------------      --------------        
   Net cash (used in) provided by operating activities               (186)                804
                                                          ---------------      --------------



Cash Flows from Investing Activities
   Additions to property, plant & equipment                        (2,482)               (471)     
                                                          ---------------      --------------
   Net cash used in investing activities                           (2,482)               (471)
                                                          ---------------      --------------
Cash Flows from Financing Activities
   Proceeds on short-term borrowings                                    -               1,495   
   Proceeds from long-term borrowings                                   -                 108
   Payments on long-term borrowings                                   (57)               (265)   
   Proceeds from sale of common stock                                  51                   1  
                                                          ---------------       ------------- 
   Net cash provided by (used in) financing activities                 (6)              1,339
                                                          ---------------       -------------
Net increase (decrease) in cash and equivalents                    (2,674)              1,672

Cash and Equivalents at Beginning of period                         3,822               1,734    
                                                          ---------------       -------------

Cash and Equivalents at End of period                     $         1,148       $       3,406
                                                          ===============       =============

</TABLE>

- -See notes to condensed consolidated financial statements.

                                       7
<PAGE>
 
II-VI Incorporated and Subsidiaries
Notes to Condensed Consolidated Financial Statements (Unaudited)

Note A - Basis of Presentation
         --------------------------

     The condensed consolidated financial statements for the three month periods
     ended September 30, 1995 and 1994 are unaudited. In the opinion of
     management, all adjustments (consisting of normal recurring accruals)
     considered necessary for a fair presentation for the periods presented have
     been included. These interim statements should be read in conjunction
     with the audited consolidated financial statements and footnotes thereto 
     contained in the Company's Annual Report as filed as an exhibit to the
     Company's Form 10-K, as amended, as filed with the Securities and Exchange
     Commission. The consolidated results of operations for the three month
     periods ended September 30, 1995 and 1994 are not necessarily indicative
     of the results to be expected for the full year.

Note B - Inventories ($000)
         ----------------------------

     The components of inventories are as follows:


<TABLE>
<CAPTION>
                                            September 30        June 30
                                                1995              1995
                                           --------------    --------------
            <S>                            <C>               <C>
            Raw Materials                  $        1,882    $        1,750
            Work in Progress                        1,111             1,348
            Finished Goods                          1,252             1,067
                                           --------------    -------------- 
                                           $        4,245    $        4,165
                                           ==============    ==============

</TABLE>

Note C - Property, Plant and Equipment ($000)
         ----------------------------------------------- 
 
     Property, plant and equipment consist of the following:

<TABLE>
<CAPTION>
                                              
                                            September 30        June 30
                                                1995              1995   
                                           --------------    --------------
            <S>                            <C>               <C>
            Land and land improvements     $          311    $          307
            Buildings and improvements              5,090             4,258  
            Machinery and equipment                19,132            17,486
                                           --------------    --------------  
                                                   24,533            22,051 
            Less accumulated
            depreciation                           12,739            12,159
                                           --------------    --------------
                                           $       11,794    $        9,892
                                           ==============    ==============  


</TABLE>

                                       8
<PAGE>
 
II-VI Incorporated and Subsidiaries
Notes to Condensed Consolidated Financial Statements (Unaudited)


 
Note D - Stock Split
         -----------------

     On August 16, 1995, the Board of Directors declared a two-for-one split of
     II-VI's common stock which was distributed to shareholders of record on
     August 30, 1995, effective at the close of business September 6, 1995. All
     per share amounts included in the condensed consolidated financial
     statements and notes are based on the increased number of shares giving
     retroactive effect to the stock split, unless otherwise noted.


Note E - Stock Offering
         --------------------
  
     On October 20, 1995, a registration statement on Form S-3 covering the
     public offering of 1,000,000 shares was declared effective by the
     Securities and Exchange Commission, with the shares sold to the public at 
     $12.00 per share.

                                       9
<PAGE>
 
Item 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
        RESULTS OF OPERATIONS


Results of Operations
- ---------------------

Net earnings increased 104% to $806,000 ($0.15 per share) in the first quarter
of fiscal 1996 from $396,000 ($0.08 per share) in the first quarter of fiscal
1995. Revenues grew 49% to $8,088,000 in the first quarter of fiscal 1996
from $5,446,000 in the first quarter of fiscal 1995.

Order bookings for the first quarter were $8,017,000 compared to $5,936,000
for the same period last fiscal year, a 35% increase. This increase is
attributable to the Virgo Optics Division and increased demand from the
industrial markets of Europe, Japan and the United States.

Manufacturing revenues increased 54% to $7,957,000 from $5,161,000 in the
last fiscal year's first quarter. This improvement is attributable to increased
sales in all of the Company's markets, and to a lesser extent, the acquisition
of the Virgo Optics Division.

Manufacturing gross margin was $3,401,000 or 43% of revenues compared to
$2,097,000 or 41% of revenues for the first quarter of fiscal 1995. The
increase reflects lower per unit operating costs associated with increased
volume, increased efficiencies and yields, and favorable production mix.

Selling, General and Administrative expenses of $2,131,000 or 26% of revenues
for the quarter compared to $1,472,000 or 27% of revenues for last fiscal
year's first quarter. The increase in expense is attributable to higher
compensation expense associated with the Company's world-wide profit driven
bonus programs and expenses incurred at the Virgo Optics Division.

The Company's year-to-date effective income tax rate is 29% of pre-tax earnings
as compared to 30% for the same period last year. The lower rate is due to
the mix of earnings from domestic and foreign operations.


Liquidity and Capital Resources
- -------------------------------

Cash decreased during the first quarter of fiscal 1996 by $2,674,000 due
to capital expenditures of $2,482,000 and cash being used in operating
activities of $186,000.

The capital expenditures focused on manufacturing facility expansion and
process automation, which the cash used in operations was a result of net
earnings before depreciation of $1,399,000 being offset mostly by the payment
of compensation costs relating to the Company's fiscal 1995 world-wide
profit-driven bonus programs and an increase in accounts receivable. 

Subsequent to September 30, 1995, the Company received the proceeds from a
1,000,000 share Common Stock offering. These shares were sold at a price to the
public of $12.00 per share. The net proceeds to the Company were $11,280,000
after deducting underwriting discounts and commissions. These proceeds from the
sale of the shares will be used for general corporate purposes including working
capital, capital expenditures and possible acquisitions of complementary
businesses, products or technologies.

                                       10
<PAGE>
 
                         PART II - OTHER INFORMATION


Item 6. EXHIBITS AND REPORTS ON FORM 8-K.
- ------- --------------------------------

        (a) Exhibits.
            --------

              1.01     Underwriting Agreement dated
                       October 20, 1995 . . . . . . . . . . . . Filed herewith.

             15.01     Accountants' acknowledgment letter
                       dated November 13, 1995 . .. . . . . . . Filed herewith.

             27.01     Financial Data Schedule. . . . . . . . . Filed herewith.

        (b) Reports on Form 8-K.
            -------------------

                       None

                                       11
<PAGE>
 
     Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by
the undersigned thereunto duly authorized.



                                      II-VI INCORPORATED
                                      (Registrant)




Date:  November 13, 1995               By:        /s/ Carl J. Johnson
                                           ------------------------------------
                                                      Carl J. Johnson
                                           Chairman and Chief Executive Officer




Date:  November 13, 1995               By:        /s/ James Martinelli
                                           ------------------------------------
                                                     James Martinelli
                                            Treasurer & Chief Financial Officer

                                       12
<PAGE>
 
                                EXHIBIT INDEX


Exhibit No.
- -----------

    1.01     Underwriting Agreement dated
             October 20, 1995. . . . . . . . . . . . . . . . . Filed herewith.

   15.01     Accountants' acknowledgment letter dated 
             November 13, 1995 . . . . . . . . . . . . . . . . Filed herewith.

   27.01     Financial Data Schedule (supplied for
             the information of the Commission). . . . . . . . Filed herewith.

                                       13

<PAGE>
                                                                    EXHIBIT 1.01
 
  
                               1,000,000 Shares*

                              II-VI INCORPORATED

                                 Common Stock
                                (No Par Value)

                            UNDERWRITING AGREEMENT


                                                                October 20, 1995

ADVEST, INC.
CRUTTENDEN ROTH INCORPORATED
As Representatives of the several Underwriters
c/o Advest, Inc.
Tower 49
12 East 49 Street
New York, New York 10017

Ladies and Gentlemen:

     II-VI Incorporated, a Pennsylvania corporation (the "Company"), proposes to
sell 1,000,000 shares (the "Firm Shares") of Common Stock of the Company, no par
value (the "Common Stock"), to you and to the several other Underwriters (as
defined below).  The Company has also agreed to grant to you and the other
Underwriters an option (the "Option") to purchase up to an additional 150,000
shares of Common Stock (the "Option Shares") on the terms and for the purposes
set forth in Section 1(b) below.  The Firm Shares and the Option Shares are
referred to collectively herein as the "Shares."

     It is understood that, subject to the conditions hereinafter stated, the
Firm Shares will be sold to you and the several other Underwriters named in
Schedule I hereto (collectively, the "Underwriters"), for whom you are acting as
representatives (the "Representatives").

     The Company confirms as follows its agreement with the Representatives and
the several other Underwriters as follows:

1.   Agreement to Sell and Purchase

     a.  On the basis of the representations, warranties and agreements herein
contained and subject to all the terms and conditions of this Agreement, the
Company agrees to issue and sell the Firm Shares to the several Underwriters,
and each of the Underwriters, severally and not jointly, agrees to purchase from
the Company the respective number of Firm Shares set forth opposite that
Underwriter's name in Schedule I hereto, at the purchase price of $11.28 for
each Firm Share.

     b.  Subject to all the terms and conditions of this Agreement, the Company
grants the Option to the several Underwriters to purchase, severally and not
jointly, up to the maximum number of Option Shares at the same price per share
as the Underwriters shall pay for the Firm Shares. The Option may be exercised
only to cover over-allotments in the sale of the Firm Shares by the Underwriters
and may be exercised in whole or in part at any time (but not more than once) on
or before the 30th day after the date of this Agreement upon written or
telegraphic notice (the "Option Shares Notice") by the Representatives to the
Company, no later than

- -----------------------------
* Plus an option to purchase up to an additional 150,000 shares to cover 
  over-allotments.
<PAGE>
  
12:00 noon, New York City time, at least two and no more than three business
days before the date specified for closing in the Option Shares Notice (the
"Option Closing Date"), setting forth the aggregate number of Option Shares to
be purchased and the time and date for such purchase. On the Option Closing
Date, the Company will sell to the Underwriters the number of Option Shares set
forth in the Option Shares Notice, and each Underwriter will purchase such
percentage of the Option Shares as is equal to the percentage of the Firm Shares
that such Underwriter is purchasing, as adjusted by the Representatives in such
manner as they deem advisable to avoid fractional shares.

2.    Delivery and Payment

     Delivery of the Firm Shares shall be made to the Representatives through
the facilities of The Depository Trust Company ("DTC") for the accounts of the
Underwriters against payment of the purchase price by certified or official bank
checks payable in New York Clearing House (next-day) funds to the order of the
Company at 9:30 a.m., New York City time, on October 25, 1995, or at such time
on such other date, not later than five business days after the date of this
Agreement, as may be agreed upon by the Company and the Representatives (such
date is hereinafter referred to as the "Closing Date").

     To the extent the Option is exercised, delivery of the Option Shares
against payment by the Underwriters (in the manner specified above) will take
place at the offices specified above for the Closing Date at the time and date
(which may be the Closing Date) specified in the Option Shares Notice.

     Certificates evidencing the Shares shall be in definitive form and shall be
registered in such names and in such denominations as the Representatives shall
request at least two business days prior to the Closing Date or the Option
Closing Date, as the case may be, by written notice to the Company.  The Company
agrees to make such certificates available for inspection at least 24 hours
prior to the Closing Date or the Option Closing Date, as the case may be, at the
office of DTC or its designated custodian.

     The cost of original issue tax stamps, if any, in connection with the
issuance and delivery of the Shares by the Company to the respective
Underwriters shall be borne by the Company.  The Company will pay and save each
Underwriter and any subsequent holder of the Shares harmless from any and all
liabilities with respect to or resulting from any failure or delay in paying
federal and state stamp and other transfer taxes, if any, which may be payable
or determined to be payable in connection with the original issuance or sale to
such Underwriter of the Shares sold by such entity.

3.   Representations and Warranties of the Company

     The Company represents, warrants and covenants to each Underwriter that:

     a.  A registration statement (Registration No. 33-62737) on Form S-3
relating to the Shares, including a preliminary prospectus and such amendments
to such registration statement as may have been required to the date of this
Agreement, has been prepared by the Company under the provisions of the
Securities Act of 1933, as amended (the "Act"), and the rules and regulations
(collectively referred to as the "Rules and Regulations") of the Securities and
Exchange Commission (the "Commission") thereunder, and has been filed with the
Commission. The term "preliminary prospectus" as used herein means a
preliminary prospectus as contemplated by Rule 430 or Rule 430A of the Rules and
Regulations included at any time as part of the registration statement.  Copies
of such registration statement, amendments and exhibits thereto and documents
incorporated by reference therein and of each related preliminary prospectus
have been delivered to the Representatives. If such registration statement has
not become effective, a further amendment to such registration statement,
including a form of final prospectus, necessary to permit such registration
statement to become effective will be filed promptly by the Company with the
Commission. If the registration statement has become effective, a final
prospectus containing information permitted to be omitted at the time of
effectiveness by Rule 430A of the Rules and Regulations will be filed promptly
by the Company with the Commission in accordance with Rule 424(b) of the Rules
and Regulations. The term "Registration Statement" means the registration 
statement as amended at the time it becomes or became effective (the 
"Effective Date"), including

                                      -2-
<PAGE>
  
financial statements, all exhibits and all documents incorporated by reference
therein and any information deemed to be included by Rule 430A. The term
"Prospectus" means the prospectus as first filed with the Commission pursuant to
Rule 424(b) of the Rules and Regulations or, if no such filing is required, the
form of final prospectus included in the Registration Statement at the Effective
Date.

     b.  On the Effective Date, the date the Prospectus is first filed with the
Commission pursuant to Rule 424(b) (if required), at all times subsequent to and
including the Closing Date and, if later, the Option Closing Date and when any
post-effective amendment to the Registration Statement becomes effective or any
amendment or supplement to the Prospectus is filed with the Commission, the
Registration Statement and the Prospectus (as amended or as supplemented if the
Company shall have filed with the Commission any amendment or supplement
thereto), including the financial statements included or incorporated by
reference in the Prospectus, did and will comply with all applicable provisions
of the Act and the Rules and Regulations and will contain all statements
required to be stated therein in accordance with the Act and the Rules and
Regulations.  On the Effective Date and when any post-effective amendment to the
Registration Statement becomes effective, no part of the Registration Statement,
the Prospectus or any such amendment or supplement did or will contain an 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.  At the Effective Date, the date the Prospectus or any amendment or
supplement to the Prospectus is filed with the Commission and at the Closing
Date and, if later, the Option Closing Date, the Prospectus did not and will not
contain any untrue statement of a material fact or omit to state a material fact
necessary to make the statements therein, in light of the circumstances under
which they were made, not misleading.  The foregoing representations and
warranties in this Section 3(b) do not apply to any statements or omissions made
in reliance on and in conformity with information relating to any Underwriter
furnished in writing to the Company by the Representatives specifically for
inclusion in the Registration Statement or Prospectus or any amendment or
supplement thereto.  The Company acknowledges that the statements set forth in
the first two paragraphs and the fourth paragraph under the heading
"Underwriting" in the Prospectus constitute the only information relating to any
Underwriter furnished in writing to the Company by the Representatives
specifically for inclusion in the Registration Statement.

     c.  The documents incorporated by reference in the Prospectus, when they
became effective or were filed with the Commission, as the case may be,
conformed in all material respects to the requirements of the Act or the
Securities Exchange Act of 1934, as amended (the "Exchange Act"), as applicable,
and the rules and regulations of the Commission thereunder, and none of such
documents, as of such effective or filing dates, contained an untrue statement
of a material fact or omitted to state a material fact required to be stated
therein or necessary to make the statements therein not misleading; and any
further documents so filed and incorporated by reference in the Prospectus or
any further amendment or supplement thereto, when such documents become
effective or are filed with the Commission, as the case may be, will conform in
all material respects to the requirements of the Act or the Exchange Act, as
applicable, and the rules and regulations of the Commission thereunder and will
not contain an untrue statement of a material fact or omit to state a material
fact required to be stated therein or necessary to make the statements therein
not misleading.

     d.  The Company and each Subsidiary (as defined below) is, and at the
Closing Date and, if later, the Option Closing Date will be, a corporation duly
organized, validly existing and in good standing under the laws of its
jurisdiction of incorporation.  The Company and each Subsidiary has, and at the
Closing Date and, if later, the Option Closing Date will have, full power and
authority to conduct all the activities conducted by it, to own or lease all the
material assets owned by or leased by it and to conduct its business as
described in the Registration Statement and the Prospectus.  The Company and
each Subsidiary is, and at the Closing Date and, if later, the Option Closing
Date will be, duly licensed or qualified to do business and in good standing as
a foreign corporation in all jurisdictions in which the nature of the activities
conducted by it or the character of the assets owned or leased by it makes such
license or qualification necessary, except to the extent that the failure to be
so qualified or be in good standing would not materially and adversely affect
the business, properties, business prospects, condition (financial or other) or
results of operations of the Company and its Subsidiaries on a consolidated
basis.  The Company (i) does not own, and at the Closing Date and, if later, the
Option Closing Date will not own, directly or indirectly, any shares of stock or
any other equity or long-term debt securities of any corporation or have any
equity interest in any corporation, firm, partnership, joint venture,
association or 

                                      -3-
<PAGE>
  
other entity other than II-VI Delaware, Inc., a corporation incorporated under
the laws of Delaware, II-VI Singapore Pte., Ltd., a corporation incorporated
under the laws of Singapore, II-VI Worldwide, Incorporated, a corporation
incorporated under the laws of Barbados, II-VI Japan Incorporated, a corporation
incorporated under the laws of Japan, and II-VI Virgo Incorporated, a
corporation incorporated under the laws of Pennsylvania (individually, a
"Subsidiary," and collectively, the "Subsidiaries") and (ii) is not, and at the
Closing Date and, if later, the Option Closing Date will not be, engaged in any
discussions or a party to any agreement or understanding, written or oral,
regarding the acquisition of an interest in any corporation, firm, partnership,
joint venture, association or other entity where such discussions, agreements or
understandings would require amendment to the Registration Statement pursuant to
applicable securities laws. Complete and correct copies of the articles of
incorporation and of the bylaws of the Company and the constituent documents of
each Subsidiary, together in each case with all amendments thereto, have been
delivered to the Representatives, and no changes therein will be made subsequent
to the date hereof and prior to the Closing Date or, if later, the Option
Closing Date.

     e.  All of the outstanding shares of capital stock of the Company have been
duly authorized and validly issued, are fully paid and nonassessable, were
issued in compliance with all applicable state and federal securities laws, were
not issued in violation of or subject to any preemptive rights or other rights
to subscribe for or purchase securities, and conform to the description thereof
contained in the Prospectus; the Shares have been duly authorized and when
issued and paid for as contemplated herein will be validly issued, fully paid
and nonassessable and will conform to the description thereof contained in the
Prospectus; and no preemptive rights or other rights to subscribe for or
purchase exist with respect to the issuance and sale of the Shares.  All of the
issued shares of capital stock of each Subsidiary have been duly and validly
authorized and issued, are fully paid and nonassessable and (except for II-VI
Singapore Pte., Ltd., 97.5% of the outstanding capital stock of which is owned
by the Company) are owned directly or indirectly by the Company, free and clear
of all liens, encumbrances, equities or claims.  The description of the capital
stock of the Company in the Registration Statement and the Prospectus is, and at
the Closing Date and, if later, the Option Closing Date will be, complete and
accurate in all respects.  Except as set forth in the Prospectus, the Company
does not have outstanding, and at the Closing Date and, if later, the Option
Closing Date will not have outstanding, any options to purchase, or any rights
or warrants to subscribe for, or any securities or obligations convertible into,
or any contracts or commitments to issue or sell, any shares of Common Stock, or
any such warrants, convertible securities or obligations.  The description of
the Company's stock option and other stock plans or arrangements, and the
options or other rights granted or exercised thereunder, set forth or
incorporated by reference in the Prospectus accurately and fairly presents the
information required to be shown with respect to such plans, arrangements,
options and rights.  No further approval or authority of the shareholders or the
Board of Directors of the Company will be required for the issuance and sale of
the Shares as contemplated herein.

     f.  The financial statements and schedules included or incorporated by
reference in the Registration Statement or the Prospectus present fairly the
financial condition of the Company as of the respective dates thereof and the
results of operations and cash flows of the Company for the respective periods
covered thereby, all in conformity with generally accepted accounting principles
applied on a consistent basis throughout the entire period involved.  No other
financial statements or schedules of the Company are required by the Act or the
Rules and Regulations to be included or incorporated by reference in the
Registration Statement or the Prospectus.  Each of Alpern, Rosenthal & Company
and Deloitte & Touche LLP, who have reported on such financial statements and
schedules, are independent accountants with respect to the Company as required
by the Act and the Rules and Regulations.  The summary financial and statistical
data included in the Registration Statement present fairly the information shown
therein and have been compiled on a basis consistent with the financial
statements presented therein.

     g.  Subsequent to the respective dates as of which information is given in
the Registration Statement and the Prospectus and prior to the Closing Date and,
if later, the Option Closing Date, except as set forth in or contemplated by the
Registration Statement and the Prospectus, (i) there has not been and will not
have been any change in the capitalization of the Company (other than in
connection with the exercise of options to purchase the Company's Common Stock 
granted pursuant to the Company's stock option plans and which were outstanding
on the date of the latest balance sheet of the Company included in the
Prospectus), or any

                                      -4-
<PAGE>
  
material adverse change in the business, properties, business prospects,
condition (financial or otherwise) or results of operations of the Company and
the Subsidiaries on a consolidated basis, arising for any reason whatsoever,
(ii) neither the Company nor any Subsidiary has incurred nor will they incur,
except in the ordinary course of business as described in the Prospectus, any
material liabilities or obligations, direct or contingent, nor has any of the
Company or any Subsidiary entered into nor will it enter into, except in the
ordinary course of business as described in the Prospectus, any material
transactions other than pursuant to this Agreement and the transactions referred
to herein, and (iii) the Company has not and will not have paid or declared any
dividends or other distributions of any kind on any class of its capital stock.

     h.  The Company is not, and, after giving effect to the offering and sale
of the Shares, will not be, 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.

     i.  There are no actions, suits or proceedings pending or, to the knowledge
of the Company, threatened against or affecting the Company or any Subsidiary or
any of their respective officers or directors in their capacities as such, nor
any basis therefor, before or by any federal or state court, commission,
regulatory body, administrative agency or other governmental body, domestic or
foreign, wherein an unfavorable ruling, decision or finding would, individually
or in the aggregate, materially and adversely affect the business, properties,
business prospects, condition (financial or otherwise) or results of operations
of the Company and its Subsidiaries on a consolidated basis.

     j.  Except as disclosed in the Prospectus, the Company and the Subsidiaries
have complied with and are not in violation of any federal, state or local law,
regulation, permit, provision or ordinance relating to the protection of the
environment ("Environmental Law") (except for such violations or non-compliance
which would not have a material adverse effect on, or cause material changes to,
the condition (financial or otherwise), earnings, business affairs or business
prospects of the Company and the Subsidiaries on a consolidated basis); and the
Company and the Subsidiaries are not aware of any administrative or judicial
action being contemplated by governmental authorities relating to Environmental
Law and neither the Company nor any of the Subsidiaries is subject to any
consent decree or compliance or administrative order issued pursuant to, or are
the subject of any pending investigation or litigation under, applicable
Environmental Law except for such actions, decrees, orders, or investigations
which do not and would not have a material adverse effect on, or cause material
changes to, the condition (financial or otherwise) earnings, business affairs or
business prospects of the Company and any of the Subsidiaries on a consolidated
basis.

     k.  The Company has, and at the Closing Date and, if later, the Option
Closing Date will have, performed all its obligations required to be performed
by it as of such date, and is not, and at the Closing Date and, if later, the
Option Closing Date will not be, in default, under any contract or other
instrument to which it is a party or by which its property is bound or affected,
which default might materially and adversely affect the Company or its business,
properties, business prospects, condition (financial or other) or results of
operations.  To the Company's best knowledge, no other party under any contract
or other instrument to which the Company is a party is in default in any respect
thereunder, which default would materially and adversely affect the Company or
its business, properties, business prospects, condition (financial or other) or
results of operations.  The Company is not, and at the Closing Date and, if
later, the Option Closing Date will not be, in violation of any provision of its
articles of incorporation or bylaws.

     l.  No consent, approval, authorization or order of, or any filing or
declaration with, any court or governmental agency or body is required for the
consummation by the Company of the transactions on its part contemplated herein,
except such as have been obtained under the Act or the Rules and Regulations and
such as may be required under state securities or Blue Sky laws or the bylaws
and rules of the National Association of Securities Dealers, Inc. (the "NASD")
in connection with the purchase and distribution by the Underwriters of the
Shares.


     m.  The Company has full corporate power and authority to enter into this
Agreement.  This Agreement has been duly authorized, executed and delivered by
the Company and constitutes a valid and binding

                                      -5-
<PAGE>
  
agreement of the Company, enforceable against the Company in accordance with its
terms. The performance of this Agreement and the consummation of the
transactions contemplated hereby will not result in the imposition of any lien,
charge or encumbrance upon any of the assets of the Company or any Subsidiary
pursuant to the terms or provisions of, or result in a breach or violation of
any of the terms or provisions of, or constitute a default under, or give any
party a right to terminate any of its obligations under, or result in the
acceleration of any obligation under the articles of incorporation or bylaws of
the Company, any indenture, mortgage, deed of trust, voting trust agreement,
loan agreement, bond, debenture, note agreement or other evidence of
indebtedness, lease, contract or other agreement or instrument to which the
Company or any Subsidiary is a party or by which the Company or any Subsidiary
or any of their respective properties is bound or affected, or violate or
conflict with any judgment, ruling, decree, order, statute, rule or regulation
of any court or other governmental agency or body applicable to the business or
properties of the Company or any Subsidiary presently in effect, a breach or
violation of which, a default under which, a termination of which, an
acceleration under which, or a conflict with which would materially and
adversely affect the business, properties, business prospects, condition
(financial or other) or results of operations of the Company and its
Subsidiaries on a consolidated basis.

     n.  The Company and the Subsidiaries have good and marketable title to all
properties and assets owned by them, free and clear of all liens, charges,
encumbrances or restrictions, except such liens, charges, encumbrances or
restrictions as are described in the Prospectus and those which, individually
and in the aggregate, are not material in amount or which, individually and in
the aggregate, do not adversely affect the use made or proposed to be made of
such properties and assets by the Company and the Subsidiaries.  The Company and
the Subsidiaries, as lessees, have valid, subsisting and enforceable leases for
the properties as leased by them.  The agreements to which the Company or any
Subsidiary is a party described in the Prospectus are valid agreements,
enforceable by the Company or such Subsidiary (as applicable), except as the
enforcement thereof may be limited by bankruptcy and laws relating to the rights
and remedies of creditors generally or by the availability of general equitable
remedies.  The Company and each of its Subsidiaries owns or leases all such
properties as are necessary to its operations as now conducted or as proposed to
be conducted, except where the failure to so own or lease would not materially
and adversely affect the business, properties, business prospects, condition
(financial or otherwise) or results of operations of the Company and its
Subsidiaries on a consolidated basis.

     o.  There is no document or contract of a character required to be
described in the Registration Statement or the Prospectus or to be filed as an
exhibit to the Registration Statement which is not described or filed as
required.  All such contracts to which the Company or any Subsidiary is a party
have been duly authorized, executed and delivered by the Company or such
Subsidiary, constitute valid and binding agreements of the Company or such
Subsidiary and are enforceable against the Company or such Subsidiary and by the
Company or such Subsidiary against the other parties thereto in accordance with
the terms thereof, except as to (i) rights to indemnity and contribution
thereunder which may be limited by applicable law, (ii) bankruptcy and laws
relating to the rights and remedies of creditors generally, and (iii) the
availability of equitable remedies.

     p.  No statement, representation, warranty or covenant made by the Company
in this Agreement or made in any certificate or document required by Section
5(1) of this Agreement to be delivered to the Representatives was or will be,
when made, inaccurate, untrue or incorrect.

     q.  Neither the Company nor any of its directors, officers or controlling
persons has taken, directly or indirectly, any action designed, or which might
reasonably be expected, to cause or result, under the Act or otherwise, in, or
which has constituted, stabilization or manipulation of the price of any
security of the Company to facilitate the sale or resale of the Shares.

     r.  No holder of securities of the Company has rights to the registration
of any securities of the Company because of the filing of the Registration
Statement, which rights have not been waived by the holder or otherwise
satisfied as of the date hereof.

                                      -6-
<PAGE>
  
     s.  The Common Stock is listed and duly admitted to trading on the Nasdaq
National Market (the "Nasdaq/NM"), and the Company has received notification
that the listing by the Nasdaq/NM of the Shares has been approved, subject to
official notice of issuance of the Shares.

     t.  (i) The Company and each Subsidiary has sufficient trademarks, trade
names, patent rights, copyrights, licenses, approvals and governmental
authorizations to conduct its business as now conducted, where the failure to
have any such right would have a material and adverse effect on the business,
properties, business prospects, condition (financial or otherwise) or results of
operations of the Company and its Subsidiaries on a consolidated basis; (ii)
neither the Company nor any Subsidiary is infringing any copyrights, trade
secrets or other similar rights, trademarks, trade name rights or patent rights
of others, where such infringement would have a material and adverse effect on
the business, properties, business prospects, condition (financial or otherwise)
or results of operations of the Company and its Subsidiaries on a consolidated
basis; and (iii) no claim has been made against the Company or any Subsidiary
regarding trademark, trade name, patent, copyright, license, trade secret or
other infringement which would have a material and adverse effect on the
business, properties, business prospects, condition (financial or otherwise) or
results of operations of the Company and its Subsidiaries on a consolidated
basis.

     u.  The Company and each Subsidiary has filed all federal, state and
foreign income tax returns which have been required to be filed and has paid all
taxes and assessments received by it to the extent that such taxes or
assessments have become due.  Neither the Company nor any Subsidiary has any tax
deficiency which has been or might be asserted or threatened against it which
could have a material and adverse effect on the business, properties, business
prospects, condition (financial or otherwise) or results of operations of the
Company and its Subsidiaries on a consolidated basis.

     v.  The Company and each Subsidiary owns or possesses all authorizations,
approvals, orders, licenses, registrations, customs clearances, other
certificates and permits of and from all governmental regulatory officials and
bodies necessary to conduct its business as contemplated in the Prospectus,
except where the failure to own or possess all such authorizations, approvals,
orders, licenses, registrations, customs clearances, other certificates and
permits would not materially and adversely affect the business, properties,
business prospects, condition (financial or otherwise) or results of operations
of the Company and the Subsidiaries on a consolidated basis.  There is no
proceeding pending or threatened, or any basis therefor known to the Company,
which may cause any such authorization, approval, order, license, registration,
customs clearances certificate or permit to be revoked, withdrawn, canceled,
suspended or not renewed; and the Company and each Subsidiary is conducting its
business in compliance with all laws, rules and regulations applicable thereto.

     w.  The Company and each Subsidiary maintains insurance of the types and in
the amounts generally deemed adequate for its business, including, but not
limited to, insurance covering real and personal property owned or leased by the
Company against theft, damage, destruction, acts of vandalism and all other
risks customarily insured against, all of which insurance is in full force and
effect.

     x.  Neither the Company nor any Subsidiary nor, to the Company's knowledge,
any of its or any Subsidiary's employees or agents have at any time during the
last five years (i) made any unlawful contribution to any candidate for foreign
office, or failed to disclose fully any contribution in violation of law, or
(ii) made any payment to any federal or state governmental officer or official,
or other person charged with similar public or quasi-public duties, other than
payments required or permitted by the laws of the United States or any
jurisdiction thereof.

     y.  The Company has not since the filing of the Registration Statement,
except in connection with the sale of the Shares, (i) sold, bid for, purchased,
attempted to induce any person to purchase, or paid anyone any compensation for
soliciting purchases of, the Shares or (ii) paid or agreed to pay any person any
compensation for soliciting another to purchase any other securities of the
Company.

     z.  Neither the Company nor any of its affiliates does business with the
government of Cuba or with any person or affiliate located in Cuba within the
meaning of Section 517.075, Florida Statutes.

                                      -7-
<PAGE>
  
     aa.  Neither the Company nor any Subsidiary has any liability or obligation
of any nature (absolute, accrued, contingent or otherwise) which is not fully
reflected or adequately reserved against in the consolidated balance sheet at
June 30, 1995, except (A) for liabilities incurred in the ordinary course of
business and not required under generally accepted accounting procedures to be
reflected on the balance sheet, or (B) incurred since June 30, 1995 in the
ordinary course of business and consistent with past practice, or (C) described
in the Prospectus.  The Company maintains a system of internal accounting
controls sufficient to provide reasonable assurance that (A) transactions are
executed in accordance with management's general or specific authorizations; (B)
transactions are recorded as necessary to permit preparation of financial
statements in conformity with generally accepted accounting principles and to
maintain accounting for assets; and (C) reserves for obsolete inventory, bad
debts and sales returns and allowances are adequate.

4.   Agreements of the Company
 
     The Company agrees with the several Underwriters as follows:

     a.  The Company will not, either prior to the Effective Date or thereafter
during such period as the Prospectus is required by law to be delivered in
connection with sales of the Shares by an Underwriter or dealer, file any
amendment or supplement to the Registration Statement or the Prospectus, unless
a copy thereof shall first have been submitted to the Representatives within a
reasonable period of time prior to the filing thereof and the Representatives
shall not have objected thereto in good faith.

     b.  The Company will use its best efforts to cause the Registration
Statement to become effective, and will notify the Representatives promptly, and
will confirm such advice in writing, (i) when the Registration Statement has
become effective and when any post-effective amendment thereto becomes
effective, (ii) of any request by the Commission for amendments or supplements
to the Registration Statement or the Prospectus or for additional information,
(iii) of the issuance by the Commission of any stop order suspending the
effectiveness of the Registration Statement or the initiation of any proceedings
for that purpose or the threat thereof, (iv) of the happening of any event
during the period mentioned in the second sentence of Section 4(e) that makes
any statement made in the Registration Statement or the Prospectus untrue or
that requires the making of any changes in the Registration Statement or the
Prospectus in order to make the statements therein, in light of the
circumstances in which they are made, not misleading, and (v) of receipt by the
Company or any representative or attorney of the Company of any other
communication from the Commission relating to the Company, the Registration
Statement, any preliminary prospectus or the Prospectus.  If at any time the
Commission shall issue any order suspending the effectiveness of the
Registration Statement, the Company will make every reasonable effort to obtain
the withdrawal of such order at the earliest possible moment.  If the Company
has omitted any information from the Registration Statement pursuant to Rule
430A of the Rules and Regulations, the Company will use its best efforts to
comply with the provisions of, and make all requisite filings with the
Commission pursuant to, said Rule 430A and to notify the Representatives
promptly of all such filings.  The Company will file promptly all reports and
any definitive proxy or information statements required to be filed by the
Company with the Commission pursuant to Section 13(a), 13(c), 14 or 15(d) of the
Exchange Act subsequent to the date of the Prospectus and for so long as the
delivery of a prospectus is required in connection with the offering or sale of
the Shares.

     c.  The Company will furnish to the Representatives, without charge, three
signed copies of the Registration Statement and of any post-effective amendment
thereto, including financial statements and schedules, and all exhibits thereto,
and will furnish to the Representatives, without charge, for transmittal to each
of the other Underwriters, a copy of the Registration Statement and any post-
effective amendment thereto, including financial statements and schedules, but
without exhibits.

     d.  The Company will comply with all the provisions of any undertakings
contained in the Registration Statement.

     e.  On the Effective Date, and thereafter from time to time, the Company
will deliver to each of the Underwriters, without charge, as many copies of the
Prospectus or any amendment or supplement thereto as

                                      -8-
<PAGE>
  
the Representatives may reasonably request. The Company consents, subject to the
provisions of the following sentence, to the use of the Prospectus or any
amendment or supplement thereto by the several Underwriters and by all dealers
to whom the Shares may be sold, both in connection with the offering or sale of
the Shares and for any period of time thereafter during which the Prospectus is
required by law to be delivered in connection therewith. If during the nine
month period referred to in Section 10(a)(3) of the Act any event shall occur
which in the judgment of the Company or counsel to the Underwriters should be
set forth in the Prospectus in order to make any statement therein, in light of
the circumstances under which it was made, not misleading, or if it is necessary
to supplement or amend the Prospectus to comply with law, the Company will
forthwith prepare and duly file with the Commission an appropriate supplement or
amendment thereto, and will deliver to each of the Underwriters, without charge,
such number of copies of such supplement or amendment to the Prospectus as the
Representatives may reasonably request.

     f.  Prior to any public offering of the Shares, the Company will cooperate
with the Representatives and counsel to the Underwriters in connection with the
registration or qualification of the Shares for offer and sale under the
securities or Blue Sky laws of such jurisdictions as the Representatives may
request; provided that in no event shall the Company be obligated to qualify to
do business in any jurisdiction where it is not now so qualified or to take any
action which would subject it to general service of process in any jurisdiction
where it is not now so subject.

     g.  During the period of five years commencing on the Effective Date, the
Company will furnish to the Representatives, and each other Underwriter who may
so request, 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, and will furnish to the Representatives, and
each other Underwriter who may so request, a copy of each annual or other report
it shall be required to file with the Commission.

     h.  The Company will make generally available to holders of its securities
as soon as may be practicable but in no event later than the last day of the
fifteenth full calendar month following the calendar quarter in which the
Effective Date falls, an earnings statement (which need not be audited but shall
be in reasonable detail) for the applicable 12-month period after the Effective
Date, satisfying the provisions of Section 11(a) of the Act (including Rule 158
of the Rules and Regulations).

     i.  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 Representatives, 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,
printing and filing by the Company of the Registration Statement and exhibits to
it, each preliminary prospectus, Prospectus and any amendment or supplement to
the Registration Statement or Prospectus, (ii) the preparation and delivery of
certificates representing the Shares, (iii) the printing of this Agreement, the
Agreement Among Underwriters, any Dealer Agreements and any Underwriters'
Questionnaires, (iv) furnishing (including costs of shipping and mailing) such
copies of the Registration Statement, the Prospectus and any preliminary
prospectus, and all amendments and supplements thereto, as may be requested for
use in connection with the offering and sale of the Shares by the Underwriters
or by dealers to whom Shares may be sold, (v) the listing of the Shares on the
Nasdaq/NM, (vi) any filings required to be made by the Underwriters with the
NASD, and the fees, disbursements and other charges of counsel for the
Underwriters in connection therewith, (vii) the registration or qualification of
the Shares for offer and sale under the securities or Blue Sky laws of such
jurisdictions designated pursuant to Section 4(f), including the fees,
disbursements and other charges of counsel to the Underwriters in connection
therewith, and the preparation and printing of preliminary, supplemental and
final Blue Sky memoranda, (viii) fees, disbursements and other charges to the
Company (but not those of counsel for the Underwriters, except as otherwise
provided herein) and (ix) the transfer agent for the Shares.

     j.  If this Agreement shall be terminated by the Company pursuant to any of
the provisions hereof (otherwise than pursuant to Section 8 hereof) or if for
any reason the Company shall be unable to perform its obligations hereunder, 
the Company will reimburse the several Underwriters for all reasonable 
out-of-pocket

                                      -9-
<PAGE>
  
expenses (including the fees, disbursements and other charges of counsel to
the Underwriters) reasonably incurred by them in connection herewith.

     k.  The Company will not at any time, directly or indirectly, take any
action designed, or which might reasonably be expected, to cause or result in,
or which will constitute, stabilization of the price of the shares of Common
Stock to facilitate the sale or resale of any of the Shares.

     l.  The Company will apply the net proceeds from the offering and sale of
the Company Shares in the manner set forth in the Prospectus under "Use of
Proceeds," and shall file such reports with the Commission with respect to the
sale of the Company Shares and the application of the proceeds therefrom as may
be required in accordance with Rule 463 under the Act.

     m.  During the period of 180 days commencing at the Closing Date, without
the prior written consent of the Representatives and other than pursuant to the
exercise of outstanding stock options or otherwise pursuant to the Company's
stock option plans or stock purchase plans in effect on the date hereof, the
Company will not issue, offer, sell, grant options to purchase or otherwise
dispose of any of the Company's equity securities or any other securities
convertible into or exchangeable with its Common Stock or other equity security.
During a period of 180 days after the Closing Date, except for registration
statements on Form S-8 relating to shares of Common Stock issuable pursuant to
stock compensation plans of the Company in effect on the date hereof, the
Company will not file a registration statement for the purpose of registering
any securities of the Company without the prior written consent of Advest, Inc.

     n.  The Company will cause each of its executive officers and directors to
enter into lock-up agreements with the Representatives to the effect that they
will not, without the prior written consent of Advest, Inc., sell, contract to
sell or otherwise dispose of any shares of Common Stock or rights to acquire
such shares according to the terms set forth in Exhibit A hereto.

5.   Conditions of the Obligations of the Underwriters

     The obligations of each Underwriter hereunder are subject to the following
conditions:

     a.  Notification that the Registration Statement has become effective shall
be received by the Representatives not later than 5:00 p.m., New York City time,
on the date of this Agreement or at such later date and time as shall be
consented to in writing by the Representatives.

     b.  (i) No stop order suspending the effectiveness of the Registration
Statement shall have been issued and no proceedings for the purpose shall be
pending or threatened by the Commission, (ii) no order suspending the
effectiveness of the Registration Statement or the qualification or registration
of the 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 Commission or the authorities of any such
jurisdiction, (iii) any request for additional information on the part of the
staff of the Commission or any such authorities shall have been complied with to
the satisfaction of the staff of the Commission or such authorities, and (iv)
after the date hereof no amendment or supplement to the Registration Statement
or the Prospectus shall have been filed unless a copy thereof was first
submitted to the Representatives and the Representatives do not object thereto
in good faith, and the Representatives shall have received certificates, dated
the Closing Date and the Option Closing Date and signed by the Chief Executive
Officer and the Director of Finance and Accounting of the Company (who may, as
to proceedings threatened, rely upon the best of their knowledge), to the effect
of clauses (i), (ii) and (iii) of this Section 5(b).

     c.  Since the respective dates as of which information is given in the
Registration Statement and the Prospectus, (i) there shall not have been a
material adverse change in the general affairs, business, business prospects,
properties, management, condition (financial or otherwise) or results of
operations of the Company and the Subsidiaries, whether or not arising from
transactions in the ordinary course of business, in each case other than as 
described in or contemplated by the Registration Statement and the Prospectus, 
and (ii) neither the

                                      -10-
<PAGE>
  
Company nor any Subsidiary shall have sustained any material loss or
interference with its business or properties from fire, explosion, flood,
earthquake or other casualty, whether or not covered by insurance, or from any
labor dispute or any court of legislative or other governmental action, order or
decree, which is not described in the Registration Statement and the Prospectus,
if in the judgment of the Representatives any such development makes it
impracticable or inadvisable to consummate the sale and delivery of the Shares
by the Underwriters at the public offering price.

     d.  Since the respective dates as of which information is given in the
Registration Statement and the Prospectus, there shall have been no litigation
or other proceeding instituted against the Company or any Subsidiary or any of
their respective officers or directors in their capacities as such, before or by
any federal, state or local court, commission, regulatory body, administrative
agency or other governmental body, domestic or foreign, in which litigation or
proceeding an unfavorable ruling, decision or finding would materially and
adversely affect the business, properties, business prospects, condition
(financial or otherwise) or results of operations of the Company and the
Subsidiaries on a consolidated basis.

     e.  Each of the representations and warranties of the Company contained
herein shall be true and correct in all material respects at the Closing Date
and, with respect to the Option Shares, at the Option Closing Date, and all
covenants and agreements contained herein to be performed on the part of the
Company and all conditions contained herein to be fulfilled or complied with by
the Company at or prior to the Closing Date and, with respect to the Option
Shares, at or prior to the Option Closing Date, shall have been duly performed,
fulfilled or complied with.

     f.  The Representatives shall have received an opinion, dated the Closing
Date and, with respect to the Option Shares, the Option Closing Date,
satisfactory in form and substance to the Representatives and counsel for the
Underwriters, from Sherrard, German & Kelly, P.C., counsel to the Company,
covering the following matters (but with such limitations and qualifications as
are reasonably acceptable to the Representatives and counsel for the
Underwriters):

         (i) The Company has been duly organized and is validly existing as a
corporation in good standing under the laws of the Commonwealth of Pennsylvania.
Based solely on a review of certificates of appropriate public officials and a
review of the Company's and the Subsidiaries' corporate records, each Subsidiary
has been duly organized and is validly existing as a corporation in good
standing under the laws of the jurisdiction of its incorporation.  The Company,
to the best of such counsel's knowledge after due inquiry, does not control,
directly or indirectly, any corporation, partnership, joint venture, association
or other business organization, except for the Subsidiaries.  Each of the
Company and each Subsidiary is duly qualified and in good standing as a foreign
corporation in each jurisdiction in which the failure to be so qualified would
have a material adverse effect on the business, financial condition or results
of operations of the Company and the Subsidiaries on a consolidated basis.

         (ii) To the best of such counsel's knowledge, and based solely on a
review of certificates of appropriate public officials and a review of the
Company's and the Subsidiaries' corporate records, the Company owns all of the
outstanding shares of capital stock of each Subsidiary (except for II-VI
Singapore Pte., Ltd., as to which the Company owns 97.5% of the outstanding
shares of capital stock) free and clear of all liens, claims, security
interests, restrictions, shareholders' agreements, voting trusts and any other
encumbrances whatsoever; and all such shares of capital stock of each Subsidiary
have been duly authorized and are duly and validly issued, fully paid and
nonassessable.

         (iii) To the best of such counsel's knowledge after due inquiry, the
Company and each Subsidiary has all requisite power and authority, and all
necessary material authorizations, approvals, consents, orders, licenses,
certificates and permits to own, lease and license its respective properties and
conduct its respective businesses as now being conducted and as described in the
Registration Statement and the Prospectus; no such authorization, approval,
consent, order, license, certificate or permit contains a materially burdensome
restriction other than as disclosed in the Registration Statement and the
Prospectus; and the Company has all requisite power and authority and all
necessary authorizations, approvals, consents, orders, licenses, certificates

                                      -11-
<PAGE>
  
and permits to enter into, deliver and perform this Agreement and to issue and
sell the Shares other than those required under state and foreign "blue sky"
laws.

         (iv) The Company has authorized, issued and outstanding shares of
capital stock as set forth in the Registration Statement and the Prospectus; the
certificates evidencing the Shares are in due and proper form; and all of the
outstanding shares of capital stock of the Company have been duly authorized and
are duly and validly issued, fully paid and nonassessable and none of them was
issued in violation of any preemptive or other similar right. The Shares are
duly authorized and when issued and sold pursuant to this Agreement will be duly
and validly issued, fully paid and nonassessable and free of any preemptive or
other similar right. Except as set forth in the Registration Statement and the
Prospectus, to the best of such counsel's knowledge after due inquiry, there is
no outstanding option, warrant or other right calling for the issuance of, and
no commitment, plan or arrangement to issue, any share of capital stock of the
Company or of any Subsidiary or any security convertible into or exchangeable
for capital stock of the Company or of any Subsidiary. The Common Stock and the
Shares conform to all statements in relation thereto contained in the
Registration Statement and the Prospectus.

         (v) No holder of any security of the Company or of any right to receive
any security of the Company has the right to have any securities owned by such
holder included in the Registration Statement.

         (vi) All necessary corporate proceedings of the Company have been duly
and validly taken to authorize the execution, delivery and performance of this
Agreement and the issuance and sale of the Shares. This Agreement has been duly
and validly authorized, executed and delivered by the Company, and constitutes
the legal, valid and binding agreement and obligation of the Company in
accordance with its terms, except as such enforceability may be limited by
applicable bankruptcy, insolvency, moratorium or similar laws affecting
creditors' rights generally and by limitations on the availability of equitable
remedies.

         (vii) Except as set forth in the Registration Statement and the
Prospectus, to the best of such counsel's knowledge after due inquiry, there is
no litigation or governmental or other proceeding or investigation, before any
court or before or by any public body or board pending or threatened against, or
involving the properties or business of, the Company or of any Subsidiary, which
might materially adversely affect the value or the operation or the properties
or the business, financial condition or results of operations of the Company and
the Subsidiaries on a consolidated basis.

     g.  The Representatives shall have received an opinion, dated the Closing
Date and, with respect to the Option Shares, the Option Closing Date, from
Buchanan Ingersoll Professional Corporation, counsel to the Company, covering
the following matters (but with such limitations and qualifications as are
reasonably acceptable to the Representatives and counsel for the Underwriters):

         (i) The agreements referred to in Section 4(n) of this Agreement have
been duly and validly authorized, executed and delivered by the executive
officers and directors of the Company, as the case may be, and constitute the
legal, valid and binding agreements and obligations of such persons, enforceable
against such persons in accordance with their respective terms.

         (ii) Neither the execution, delivery and performance of this Agreement
nor the consummation of any of the transactions contemplated hereby (including,
without limitation, the issuance and sale by the Company of the Shares) will
give rise to a right to terminate, or accelerate the due date of any payment due
under, or conflict with or result in the breach of any term or provision of, or
constitute a default (or an event which with notice or lapse of time, or both,
would constitute a default) under (except where written consent or waiver has
already been obtained and except where such conflict, breach or default has not
and will not have a material adverse effect on the value or the operation or the
properties or the business, financial condition or results of operations of the
Company and the Subsidiaries on a consolidated basis), or require consent under,
or result in the execution or imposition of any lien, charge or encumbrance upon
any properties or assets of the Company or of any Subsidiary pursuant to the
terms of any indenture, mortgage, deed of trust, note or other agreement or
instrument of which such counsel is aware and to which the Company or any
Subsidiary is

                                      -12-
<PAGE>
  
a party or by which it or any Subsidiary or any of their respective properties
or businesses is bound, or any franchise, license, permit, judgment, decree,
order, statute, rule or regulation or violate any provision of the charter,
by-laws or other organization documents of the Company or any Subsidiary.

         (iii) The statements in the Registration Statement and the Prospectus,
insofar as such statements constitute a summary of documents referred to therein
or matters of law, are fair summaries in all material respects and accurately
present the information called for with respect to such documents and matters.
All contracts and other documents known to such counsel after due inquiry
required to be filed as exhibits to, incorporated by reference in, or described
in the Registration Statement have been so filed with the Commission,
incorporated by reference, or are fairly described in the Registration
Statement, as the case may be.

         (iv) The Registration Statement, all preliminary prospectuses and the
Prospectus and each amendment or supplement thereto comply as to form in all
material respects with the requirements of the Act and the Rules and
Regulations.

         (v) The Registration Statement has become effective under the Act, and,
to the best of such counsel's knowledge after due inquiry, no stop order
suspending the effectiveness of the Registration Statement has been issued and
no proceedings for that purpose have been instituted or are threatened or
pending.

         (vi) The documents incorporated by reference in the Prospectus or any
further amendment or supplement thereto made by the Company prior to such
Closing Date, when they became effective or were filed with the Commission, as
the case may be, complied as to form in all material respects with the
requirements of the Exchange Act, as applicable, and the rules and regulations
of the Commission thereunder; and such counsel has no reason to believe that any
of such documents, when such documents became effective or were so filed, as the
case may be, contained, an untrue statement of a material fact or omitted to
state a material fact necessary in order to make the statements therein, in the
light of the circumstances under which they were made when such documents were
so filed, not misleading.

         (vii) To the best of such counsel's knowledge, and except as disclosed
in the Prospectus and Registration Statement, there are no pending or threatened
administrative or judicial actions alleging that the Company or any of the
Subsidiaries is in violation of any Environmental Law, and none of the Company
or any of the Subsidiaries is subject to any pending investigation or judicial
action or any such investigation or action being contemplated by governmental
authorities relating to any Environmental Laws nor is the Company or any of its
Subsidiaries subject to any consent decree, or compliance or administrative
order under any Environmental Law.

         (viii) The Company is not, and, after giving effect to the offering and
sale of the Shares, will not be, 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.

         To the extent deemed advisable by such counsel, they may rely (a) as to
matters involving the application of laws of any jurisdiction other than the
Commonwealth of Pennsylvania or the United States, to the extent they deem
proper and specified in such opinion, upon the opinion of other counsel of good
standing believed to be reliable and who are satisfactory to counsel for the
Underwriters, and (b) as to matters of fact, to the extent they deem proper, on
certificates of responsible officers of the Company and public officials.

         In addition, such counsel shall state that such counsel has
participated in conferences with representatives of the Representatives,
representatives of the Company and the Subsidiaries and representatives of the
independent certified public accountants of the Company and the Subsidiaries, at
which conferences the contents of the Registration Statement and the Prospectus
and related matters were discussed and, although such counsel is not passing
upon and does not assume any responsibility for the accuracy, completeness or
fairness of the statements contained in the Registration Statement and the
Prospectus (except for the accuracy and fairness of the summaries referred to in
clause (iv) above), on the basis of the foregoing (relying as to certain factual
matters on the information provided to such counsel by the Company and not an
independent investigation, but

                                      -13-
<PAGE>
  
in the absence of information to the contrary), nothing has come to the
attention of such counsel which lead such counsel to believe that the
Registration Statement at the time it became effective or the Prospectus, when
such Prospectus was first filed with the Commission pursuant to Rule 424(b),
contained any untrue statement of a material fact or omitted to state any
material fact required to be stated therein or necessary to make the statements
therein not misleading, or that the Prospectus (together with any supplements or
amendments thereto), as of the Closing Date, contained any untrue statement of a
material fact or omitted to state any material fact required to be stated
therein or necessary to make the statements therein, in the light of the
circumstances under which they were made not misleading.

     h.  The Representatives shall have received an opinion, dated the Closing
Date and, with respect to the Option Shares, the Option Closing Date, from
Kirkpatrick & Lockhart LLP, counsel to the Underwriters, which opinion shall be
satisfactory in all respects to the Representatives.

     i.  The Representatives shall have received, on or prior to the Closing
Date, agreements from all directors and executive officers of the Company in the
form of which is attached as Exhibit A hereto, stating that each of such
persons, without the prior written consent of Advest, Inc., will not offer,
sell, contract to sell, or grant any option to purchase or otherwise transfer or
dispose of any Common Stock, or any securities convertible into or exchangeable
for Common Stock of the Company (including, without limitation, Common Stock of
the Company that may be deemed to be beneficially owned by the undersigned in
accordance with the rules and regulations of the Securities and Exchange
Commission and Common Stock that may be issued upon exercise of a stock option),
or rights to acquire such Common Stock, exclusive of any shares of Common Stock
purchased in the public offering or the Shares contemplated herein or hereafter
acquired in the public market, from the date hereof through the dates specified
in Exhibit A and in such agreements.

     j.  Concurrently with the execution and delivery of this Agreement, Alpern,
Rosenthal & Company shall have furnished to the Representatives a letter, dated
the date of its delivery, addressed to the Representatives and in form and
substance satisfactory to the Representatives, confirming that they are
independent accountants with respect to the Company as required by the Act and
the Rules and Regulations and with respect to certain financial and other
statistical and numerical information contained in the Registration Statement
for the fiscal years ended June 30, 1993, 1994 and 1995.  At the Closing Date,
and, as to the Option Shares, the Option Closing Date, Alpern, Rosenthal &
Company shall have furnished to the Representatives a letter, dated the date of
its delivery, which shall confirm, on the basis of a review in accordance with
the procedures set forth in the letter, that nothing has come to their attention
during the period from the date of each letter referred to in the prior sentence
to a date (specified in each letter) not more than five days prior to the
Closing Date and the Option Closing Date, as the case may be, which would
require any change in either letter dated the date hereof if they were required
to be dated and delivered at the Closing Date and the Option Closing Date.

     k.  Concurrently with the execution and delivery of this Agreement and at
the Closing Date and, with respect to the Option Shares, the Option Closing
Date, there shall be furnished to the Representatives a certificate, dated the
date of its delivery, signed by the Chief Executive Officer and the Director of
Finance and Accounting of the Company, in form and substance satisfactory to the
Representatives, to the effect that:

         (i) Each signer of such certificate has carefully examined the 
Registration Statement and the Prospectus and (A) as of the date of such
certificate, the Registration Statement and the Prospectus do 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) in the case of the certificate delivered at the Closing Date
and the Option Closing Date, since the Effective Date no event has occurred as a
result of which it is necessary to amend or supplement the Prospectus in order
to make the statements therein not untrue or misleading in any material respect.


         (ii) 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 in all material respects.

                                      -14-
<PAGE>
  
         (iii)  Each of the covenants required to be performed by the Company
herein on or prior to the date of such certificate has been duly, timely and
fully performed and each condition herein required to be satisfied or fulfilled
on or prior to the date of such certificate has been duly, timely and fully
satisfied or fulfilled.


     l.  The Shares shall be qualified for sale in such jurisdictions as the
Representatives may, pursuant to the provisions of Section 4(f), reasonably
request, and each such qualification shall be in effect and not subject to any
stop order or other proceeding on the Closing Date or the Option Closing Date.

     m.  Prior to the Closing Date, the Shares shall have been duly authorized
for listing on the Nasdaq/NM upon official notice of issuance.

     n.  The Company shall have furnished to the Representatives such
certificates, in addition to those specifically mentioned herein, as the
Representatives may have reasonably requested as to the accuracy and
completeness at the Closing Date and the Option Closing Date of any statement in
the Registration Statement or the Prospectus, as to the accuracy at the Closing
Date and the Option Closing Date of the representations and warranties of the
Company herein, as to the performance by the Company of its obligations
hereunder, or as to the fulfillment of the conditions concurrent and precedent
to the obligations hereunder of the Representatives.

6.   Indemnification

     a.  The Company will indemnify and hold harmless each Underwriter, the
directors, officers, employees and agents of each Underwriter and each person,
if any, who controls, within the meaning of Section 15 of the Act or Section 20
of the Exchange Act, each Underwriter, from and 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) to
which they, or any of them, may become subject under the Act, the Exchange Act
or other Federal or state statutory law or regulation, at common law or
otherwise, insofar as such losses, claims, liabilities, expenses or damages (i)
arise out of or are based on any untrue statement or alleged untrue statement of
a material fact contained in any preliminary prospectus, the Registration
Statement or the Prospectus or any amendment or supplement to the Registration
Statement or the Prospectus, or the omission or alleged omission to state in
such document a material fact required to be stated in it or necessary to make
the statements in it not misleading in light of the circumstances in which they
were made, (ii) arise out of or are based in whole or in part on any inaccuracy
in the respective representations and warranties of the Company contained
herein, or (iii) arise out of or are based upon any failure of the Company to
perform its obligations hereunder or under law in connection with the
transactions contemplated hereby; provided that the Company will not be liable
to the extent that such loss, claim, liability, expense or damage arises from
the sale of the Shares in the public offering to any person by an Underwriter
and is based on an untrue statement or omission or alleged untrue statement or
omission made in reliance on and in conformity with information relating to any
Underwriter furnished in writing to the Company by the Representatives, on
behalf of any Underwriter, expressly for inclusion in the Registration
Statement, the preliminary prospectus or the Prospectus, or any amendment or
supplement thereto, and provided further that the Company will not be liable to
any Underwriter, the directors, officers, employees or agents of such
Underwriter or any person controlling such Underwriter with respect to any loss,
claim, liability, expense, or damage arising out of or based on any untrue
statement or omission or alleged untrue statement or omission or alleged
omission to state a material fact in the preliminary prospectus which is
corrected in the Prospectus if the person asserting any such loss, claim,
liability, charge or damage purchased any of the Shares from such Underwriter
but was not sent or given a copy of the Prospectus at or prior to the written
confirmation of the sale of such Shares to such person.  The Company
acknowledges that the statements set forth in the first two paragraphs and the
fouth paragraph under the heading "Underwriting" in the preliminary prospectus
and the Prospectus constitute the only information relating to any Underwriter
furnished in writing to the Company by the Representatives on behalf of the 
Underwriters expressly for inclusion in the Registration Statement, the 
preliminary prospectus or the Prospectus.  This indemnity will be in addition 
to any liability that the Company might otherwise have.

                                      -15-
<PAGE>
  
     b.  Each Underwriter will indemnify and hold harmless the Company, and each
director of the Company and each officer of the Company who signs the
Registration Statement, and each person, if any, who controls, within the
meaning of Section 15 of the Act or Section 20 of the Exchange Act, the Company,
to the same extent as the foregoing indemnity from the Company to each
Underwriter, as set forth in Section 6(a), but only insofar as losses, claims,
liabilities, expenses or damages arise out of or are based on any untrue
statement or omission or alleged untrue statement or omission made in reliance
on and in conformity with information relating to any Underwriter furnished in
writing to the Company by the Representatives, on behalf of such Underwriter,
expressly for use in the Registration Statement, the preliminary prospectus or
the Prospectus, or any amendment or supplement thereto.  The Company
acknowledges that the statements set forth in the first two paragraphs under the
heading "Underwriting" in the preliminary prospectus and the Prospectus
constitute the only information relating to any Underwriter furnished in writing
to the Company by the Representatives on behalf of the Underwriters expressly
for inclusion in the Registration Statement, the preliminary prospectus or the
Prospectus.  This indemnity will be in addition to any liability that each
Underwriter might otherwise have.

     c.  Any party that proposes to assert the right to be indemnified under
this Section 6 shall, 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 6, notify each such
indemnifying party in writing of the commencement of such action, enclosing with
such notice a copy of all papers served, but the omission so to notify such
indemnifying party will not relieve it from any liability that it may have to
any indemnified party under the foregoing provisions of this Section 6 unless,
and only to the extent that, such omission results in the loss 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 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 the action, with counsel reasonably satisfactory to the
indemnified party.  After notice from the indemnifying party to the indemnified
party of its election to assume the defense, the indemnifying party will not 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.  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 counsel by the
indemnified party has been authorized in writing by the indemnifying party, (ii)
there are legal defenses available to it or other indemnified parties that are
different from or in addition to those available to the indemnifying party,
(iii) the indemnified party has reasonably concluded that 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 each of which
cases the reasonable fees, disbursements and other charges of counsel will be at
the expense of the indemnifying party or parties.  It is understood that the
indemnifying party or parties shall not, in connection with any proceeding or
related proceedings in the same jurisdiction, be liable for the reasonable fees,
disbursements and other charges of more than one separate firm admitted to
practice in such jurisdiction at any one time for all such indemnified party or
parties.  All such fees, disbursements and other charges will be reimbursed by
the indemnifying party promptly as they are incurred.  Any indemnifying party
will not be liable for any settlement of any action or claim effected without
its written consent (which consent will not be unreasonably withheld).

     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 6 is applicable in accordance with its terms, but for
any reason is held to be unavailable from the Company or the Underwriters, the
indemnifying party will contribute to the total losses, claims, liabilities,
expenses and damages (including any 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, but after deducting any
contribution received by the Company from persons other than the Underwriters,
such as persons who control the Company within the meaning of the Act, officers
of the Company who signed the Registration Statement and directors of the
Company, who also

                                      -16-
<PAGE>
  
may be liable for contribution) to which the Company and any one or more of the
Underwriters may be subject in such proportion as shall be appropriate to
reflect the relative benefits received by the Company and the Underwriters. The
relative benefits received by the Company and the Underwriters shall be deemed
to be in the same proportion as the total net proceeds from the offering (before
deducting expenses) received by the Company bear to the total underwriting
discounts and commissions received by the Underwriters, in each case as set
forth in the table on the cover page of the Prospectus. If, but only if, the
allocation provided by the foregoing sentence 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 and the
Underwriters 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 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
Representatives on behalf of the Underwriters, 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 Underwriters agree that
it would not be just and equitable if contributions pursuant to this Section
6(d) were to be determined by pro rata allocation (even if the Underwriters were
treated as one entity for such purpose) or by any over 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 6(d) shall be deemed to include, for purpose
of this Section 6(d), any legal or other expenses reasonably incurred by such
indemnified party in connection with investigating or defending any such action
or claim. Notwithstanding the provisions of this Section 6(d), no Underwriter
shall be required to contribute any amount in excess of the underwriting
discounts received by it and no person found guilty of fraudulent
misrepresentation (within the meaning of Section 11(f) of the Act) will be
entitled to contribution from any person who was not guilty of such fraudulent
misrepresentation. The Underwriters' obligations to contribute as provided in
this Section 6(d) are several in proportion to their respective underwriting
obligations and not joint. For purposes of this Section 6(d), any person who
controls a party to this Agreement within the meaning of the Act will have the
same rights to contribution as that party, and each officer of the Company who
signed the Registration Statement 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 any such party in respect of which a claim for contribution may be made
under this Section 6(d), will notify any such party or parties from whom
contribution may be sought from any other obligation it or they may have under
this Section 6(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).

     e.  The indemnity and contribution agreements contained un this Section 6
and the representations and warranties of the Company contained in this
Agreement shall remain operative and in full force and effect regardless of (i)
any investigation made by or on behalf of the Underwriters, (ii) acceptance of
any of the Shares and payment therefor, or (iii) any termination of this
Agreement.

7.   Reimbursement of Certain Expenses

     In addition to its other obligations under Section 6(a) of this Agreement,
the Company hereby agrees to reimburse on a quarterly basis the Underwriters for
all reasonable legal and other expenses incurred in connection with
investigating or defending any claim, action, investigation, inquiry or other
proceeding arising out of or based upon in whole or part, (i) as described in
Section 6(a), any untrue statement or alleged untrue statement of a material
fact contained in any preliminary prospectus, the Registration Statement or the
Prospectus or any amendment or supplement to the Registration Statement or the
Prospectus, or the omission or alleged omission to state in such document a
material fact required to be stated in it or necessary to make the statements in
it not misleading in light of the circumstances in which they were made, (ii)
any inaccuracy in the representations and warranties of the Company contained
herein, or (iii) any failure of the Company to perform its obligations hereunder
or under law in connection with the transactions contemplated hereby,
notwithstanding the absence of a judicial determination as to the propriety and
enforceability of the obligations under this Section 7 and the possibility that
such payment might later be held to be improper; provided, however, that, to

                                      -17-
<PAGE>
  
the extent any such payment is ultimately held to be improper, the persons
receiving such payments shall promptly refund them.

8.   Termination

     The obligations of the several Underwriters under this Agreement may be
terminated at any time on or prior to the Closing Date (or, with respect to the
Option Shares, on or prior to the Option Closing Date), by notice to the Company
from the Representatives, without liability on the part of any Underwriter to
the Company or the Selling Shareholder if, prior to delivery and payment for the
Firm Shares or Option Shares, as the case may be, in the sole judgment of the
Representatives, (a) trading in any of the equity securities of the Company
shall have been suspended by the Commission, by an exchange that lists the
Shares or by the Nasdaq/NM, (b) trading in securities generally on the New York
Stock Exchange shall have been suspended or limited or minimum or maximum prices
shall have been generally established on such exchange, or additional material
governmental restrictions, not in force on the date of this Agreement, shall
have been imposed upon trading in securities generally by such exchange or by
order of the Commission or any court or other governmental authority, (c) a
general banking moratorium shall have been declared by either Federal or New
York State authorities, (d) any material adverse change in the financial or
securities markets in the United States, or in political, financial or economic
conditions in the United States or any outbreak or material escalation of
hostilities or other calamity or crises, shall have occurred, the effect of
which is such as to make it, in the sole judgment of the Representatives,
impracticable to market the Shares, (e) there has been a material adverse change
since the respective dates as of which information is given in the Registration
Statement and the Prospectus in the general affairs, business, business
prospects, properties, management, condition (financial or otherwise) or results
of operations of the Company, whether or not arising from transactions in the
ordinary course of business, in each case other than as described in or
contemplated by the Registration Statement and the Prospectus, or (f) the
Company has sustained any material loss or interference with its business or
properties from fire, explosion, flood, earthquake or other casualty, whether or
not covered by insurance, or from any labor dispute or any court of legislative
or other government action, order or decree, which is not described in the
Registration Statement and the Prospectus, if in the judgment of the
Representatives any such development makes it impracticable or inadvisable to
consummate the sale and delivery of the Shares by the Underwriters at the public
offering price.

9.   Substitution Of Underwriters

     If any one or more of the Underwriters shall fail or refuse to purchase the
Shares which it or they have agreed to purchase hereunder, and the aggregate
number of Shares which such defaulting Underwriter or Underwriters agreed but
failed or refused to purchase is not more than one-tenth of the aggregate number
of Shares, the other Underwriters shall be obligated, severally, to purchase the
Shares which such defaulting Underwriter or Underwriters agreed but failed or
refused to purchase, in the proportions which the number of Shares which they
have respectively agreed to purchase pursuant to Section 1 bears to the
aggregate number of Shares which all such nondefaulting Underwriters have so
agreed to purchase, or in such other proportions as the Representatives may
specify; provided that in no event shall the maximum number of Shares which any
Underwriter has become obligated to purchase pursuant to Section 1 be increased
pursuant to this Section 9 by more than one-ninth of such number of Shares
without the prior written consent of such Underwriter.  If any Underwriter or
Underwriters shall fail or refuse to purchase any Shares and the aggregate
number of Shares which such defaulting Underwriter or Underwriters agreed but
failed or refused to purchase exceeds one-tenth of the aggregate number of the
Shares and arrangements satisfactory to the Representatives and the Company for
the purchase of such Shares are not made within 48 hours after such default,
this Agreement will terminate without liability on the part of any nondefaulting
Underwriter, or the Company for the purchase or sale of any Shares under this
Agreement.  In any such case either the Representatives or the Company shall
have the right to postpone the Closing Date, but in no event for longer than
seven days, in order that the required changes, if any, in the Registration
Statement and the Prospectus or in any other documents or arrangements may be
effected. Any action taken pursuant to this Section 9 shall not relieve any
defaulting Underwriter from liability in respect of any default of such
Underwriter under this Agreement.

                                      -18-
<PAGE>
  
10.  Miscellaneous

     Notice given pursuant to any of the provisions of this Agreement shall be
in writing and, unless otherwise specified, shall be mailed or delivered (a) if
to the Company, at the offices of the Company, with copies to Ronald Basso,
Esq., Buchanan Ingersoll Professional Corporation, One Oxford Centre, 20th
Floor, 301 Grant Street, Pittsburgh, PA 15219-1410, and Robert D. German, Esq.,
Sherrard, German & Kelly, P.C., 35th Floor, One Oliver Plaza, Pittsburgh, PA
15222, or (b) if to the Underwriters, to the Representatives at the offices of
Advest, Inc., Tower 49, 12 East 49 Street, New York, New York 10017, Attention:
Corporate Finance Department, with a copy to Michael C. McLean, Esq.,
Kirkpatrick & Lockhart LLP, 1500 Oliver Building, Pittsburgh, PA  15222.  Any
such notice shall be effective only upon receipt.  Any notice may be made by
telex or telephone, but if so made shall be subsequently confirmed in writing.

     This Agreement has been and is made solely for the benefit of the several
Underwriters, the Company and the controlling persons, directors and officers
referred to in Section 6, and their respective successors and assigns, and no
other person shall acquire or have any right under or by virtue of this
Agreement.  The term "successors and assigns" as used in this Agreement shall
not include a purchaser, as such purchaser, of Shares from any of the several
Underwriters.

     This Agreement shall be governed by and construed in accordance with the
laws of the State of New York applicable to contracts made and to be performed
entirely within such State.

                                      -19-
<PAGE>
  
     This Agreement may be signed in two or more counterparts with the same
effect as if the signatures thereto and hereto were upon the same instrument.

     In case any provision in this Agreement shall be invalid, illegal or
unenforceable, the validity, legality and enforceability of the remaining
provisions shall not in any way be affected or impaired thereby.

     Please confirm that the foregoing correctly sets forth the Agreement among
the Company and the several Underwriters.

                                                 Very truly yours,

                                                 II-VI INCORPORATED


                                                 By:
                                                    ----------------------------

                                                 Title:
                                                       -------------------------



The foregoing Agreement is hereby confirmed and
accepted as of the date first above written.


ADVEST, INC.
CRUTTENDEN ROTH INCORPORATED
As Representatives of the several Underwriters
listed on Schedule I

By:  ADVEST, INC.

By:
   ----------------------------

Title:
      -------------------------

                                      -20-
<PAGE>
  
                                   Schedule I

                            SCHEDULE OF UNDERWRITERS
<TABLE>
<CAPTION>
                                                
                                               Number of
                                                  Firm
                                                 Shares
Underwriters                                to be Purchased
- ------------                                 ---------------
<S>                                         <C>
 
Advest, Inc...............................       252,500
Cruttenden Roth Incorporated..............       252,500
J.C. Bradford & Co. ......................        30,000
Fahnestock & Co. Inc. ....................        30,000
First of Michigan Corporation.............        30,000
Janney Montgomery Scott Inc. .............        30,000
Legg Mason Wood Walker Incorporated.......        30,000
McDonald & Company Securities, Inc. ......        30,000
Morgan Keegan & Company, Inc. ............        30,000
Needham & Company, Inc. ..................        30,000
Parker/Hunter Incorporated................        30,000
Pennsylvania Merchant Group Ltd. .........        30,000
Piper Jaffray Inc. .......................        30,000
Stephens Inc. ............................        30,000
Stifel, Nicolaus & Company, Incorporated..        30,000
Unterberg Harris..........................        30,000
Brean Murray, Foster Securities, Inc. ....        15,000
Dominick & Dominick, Incorporated.........        15,000
Hefren-Tillotson Inc. ....................        15,000
Mesirow Financial, Inc. ..................        15,000
Van Kasper & Company......................        15,000
 
     Total................................     1,000,000
                                               =========
</TABLE>

<PAGE>
  
                                   EXHIBIT A

                           FORM OF LOCK-UP AGREEMENT

     The undersigned is a holder of securities of II-VI Incorporated, a
Pennsylvania corporation (the "Company"), and wishes to facilitate the
underwritten public offering (the "Offering") of shares of the Common Stock of
the Company (the "Common Stock").  The undersigned acknowledges that such
Offering will be of benefit to the undersigned.

     In consideration of the foregoing and in order to induce you to act as
underwriters in connection with the Offering, the undersigned hereby agrees that
he, she or it will not, without the prior written approval of Advest, Inc.,
acting on its own behalf and/or on behalf of the other underwriters, directly or
indirectly, sell, contract to sell, make any short sale, pledge, or otherwise
dispose of, any shares of the Common Stock, options to acquire shares of the
Common Stock or securities exchangeable for or convertible into shares of the
Common Stock which he, she or it may own, exclusive of any shares of Common
Stock purchased in connection with the Company's public offering or purchased in
the public trading market, for a period beginning on the date hereof and ending
on the date which is one hundred eighty (180) days after the date of the closing
of the Offering.  The undersigned confirms that he, she or it understands that
the underwriters and the Company will rely upon the agreements set forth in this
Agreement in proceeding with the Offering.  The undersigned further confirms
that the agreements of the undersigned are irrevocable and shall be binding upon
the undersigned's heirs, legal representatives, successors and assigns.  The
undersigned agrees and consents to the entry of stop transfer instructions with
the Company's transfer agent against the transfer of securities held by the
undersigned except in compliance with this Agreement.

     Dated                   , 1995
           ------------------

                                           -------------------------------------
                                                    Print Name of Holder


                                        By:
                                           -------------------------------------
                                                          Signature


                                           -------------------------------------
                                                Print Name of Person Signing


                                           -------------------------------------
                                                   Title of Person Signing
 


<PAGE>
                                                                   EXHIBIT 15.01

 [LOGO OF ALPERN, ROSENTHAL & COMPANY]
   Certified Public Accountants

Warner Centre, Suite 400 . 332 Fifth Avenue . Pittsburgh,
Pennsylvania 15222-2413
(412) 281-2501 . Fax (412) 471-1996
         
         
         
         
To the Board of Directors and
Shareholders of II-VI Incorporated
Saxonburg, Pennsylvania

     We have made a review, in accordance with standards established by the
American Institute of Certified Public Accountants, of the unaudited interim
financial information of II-VI Incorporated and Subsidiaries for the periods
ended September 30, 1995 and 1994, as indicated in our report dated 
October 20, 1995; because we did not perform an audit, we expressed no opinion 
on that information.

     We are aware that our report referred to above, which is included in your
Quarterly Report on Form 10-Q for the quarter ended September 30, 1995, is
incorporated by reference in Registration Statements No. 33-19511, No. 33-38019,
No. 33-19510 and No. 33-63739 on Form S-8.

     We are also are aware that the aforementioned report, pursuant to Rule
436(c) under the Securities Act of 1933, is not considered a part of the
Registration Statement prepared or certified by an accountant or a report
prepared or certified by an accountant within the meaning of Sections 7 and 11
of that Act.

/s/ Alpern, Rosenthal & Company
Alpern, Rosenthal & Company

November 13, 1995


                          A Professional Corporation
- -------------------------------------------------------------------------------
<TABLE>
<S>                          <C>                                                <C>
Irving P. Rosenthal, CPA         Members American and Pennsylvania              Deborah H. Wells, CPA
Michael H. Levin, CPA        Institutes of Certified Public Accountants         Fred M. Rock, CPA
Harvey A. Pollack, CPA                                                          Sean M. Brennan, CPA
Fred J. Morelli, Jr., CPA         Accounting Firms Associated, inc.             Alexander Paul, CPA
Edward F. Rockman, CPA            Member Firms in Principal Cities              Michael E. Forgas, CPA
Emanuel V. DiNatale, CPA                                                        Joel M. Rosenthal, CPA

</TABLE>

<TABLE> <S> <C>

<PAGE>
 
<ARTICLE> 5
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          JUN-30-1995
<PERIOD-START>                             JUL-01-1995
<PERIOD-END>                               SEP-30-1995
<CASH>                                           1,148
<SECURITIES>                                         0
<RECEIVABLES>                                    5,814
<ALLOWANCES>                                       225
<INVENTORY>                                      4,245
<CURRENT-ASSETS>                                11,702
<PP&E>                                          24,533
<DEPRECIATION>                                  12,739
<TOTAL-ASSETS>                                  23,874
<CURRENT-LIABILITIES>                            4,053
<BONDS>                                            969
<COMMON>                                         4,536
                                0
                                          0
<OTHER-SE>                                      13,380
<TOTAL-LIABILITY-AND-EQUITY>                    23,874
<SALES>                                          8,088
<TOTAL-REVENUES>                                 8,088
<CGS>                                            4,657
<TOTAL-COSTS>                                    4,657
<OTHER-EXPENSES>                                 2,295
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  1,136
<INCOME-TAX>                                       330
<INCOME-CONTINUING>                                806
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       806
<EPS-PRIMARY>                                      .15
<EPS-DILUTED>                                        0
        

</TABLE>


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