PAINEWEBBER R&D PARTNERS II LP
SC 14D1/A, 1997-08-22
COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH
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                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549

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

                                SCHEDULE 14D-1
              TENDER OFFER STATEMENT PURSUANT TO SECTION 14(d)(1)
                    OF THE SECURITIES EXCHANGE ACT OF 1934
   
                                AMENDMENT NO. 1
    
                       PAINEWEBBER R&D PARTNERS II, L.P.
                           (Name of subject company)
                             BIOROYALTIES, L.L.C.
                       PHARMACEUTICAL ROYALTIES, L.L.C.
                    PHARMACEUTICAL ROYALTY INVESTMENTS LTD.
                                   (Bidder)

                     UNITS OF LIMITED PARTNERSHIP INTEREST
                        (Title of class of securities)

                                  695922 20 3
                                (CUSIP Number)

                                ---------------
                                       
                         PABLO LEGORRETA, DAVE MADDEN
                             BIOROYALTIES, L.L.C.
                          70 E. 55th St., 23rd Floor
                              New York, NY 10022
                                (800) 600-1450

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

                                  COPIES TO:
                            F. GEORGE DAVITT, ESQ.
                        TESTA, HURWITZ & THIBEAULT, LLP
                               HIGH STREET TOWER
                                125 HIGH STREET
                               BOSTON, MA 02110

                                ---------------
   
    
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     This Amendment No. 1 amends and supplements the Tender Offer Statement 
on Schedule 14D-1 filed by BioRoyalties, L.L.C., a Delaware limited liability 
company (the "Purchaser"), on behalf of Pharmaceutical Royalties, L.L.C, a 
Delaware limited liability company, and Pharmaceutical Royalty Investments 
Ltd., a Bermuda company (collectively the "Funds"), relating to the offer by 
Purchaser to purchase outstanding Units of Limited Partnership Interest (the 
"Units"), of PaineWebber R&D Partners II, L.P. (the "Partnership"), a 
Delaware limited partnership, at $3,650 per Unit, net to the seller in cash, 
on the terms and subject to the conditions set forth in the Offer to 
Purchase, dated August 15, 1997 (the "Offer to Purchase"), and in the related 
Letter of Transmittal and any amendments or supplements thereto, copies of 
which are attached hereto as Exhibits (a)(1) and (a)(2), respectively (which 
collectively constitute the "Offer").
    

   
ITEM 11.  MATERIAL TO BE FILED AS EXHIBITS

     Item 11 is hereby amended as follows:

     (a)(4) Letter from BioRoyalties, L.L.C. dated August 22, 1997
    

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                                  SIGNATURES

     After reasonable inquiry and to the best of my knowledge and belief, I 
certify that the information set forth in this statement is true, complete 
and correct.

   
Dated: August 22, 1997        BIOROYALTIES, L.L.C.
    
                              By: /s/ David Madden
                                 -------------------------------------

                              Title: Managing Member of Pharmaceutical
                                     Partners, L.L.C., the Manager
                                    ----------------------------------


                              PHARMACEUTICAL ROYALTIES, L.L.C.

                              By: /s/ Pablo Legorreta
                                 -------------------------------------

                              Title: Managing Member of Pharmaceutical
                                     Partners, L.L.C., the Manager
                                    ----------------------------------



                              PHARMACEUTICAL ROYALTY
                              INVESTMENTS LTD.

                              By: /s/ Pablo Legorreta
                                 -------------------------------------

                              Title: Managing Member of Pharmaceutical
                                     Partners, L.L.C., the Manager
                                    ----------------------------------

                                       2
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                                 EXHIBIT INDEX

   
EXHIBIT                   DESCRIPTION                       
- -------                   -----------
(a)(4)       Letter from BioRoyalties, L.L.C.
    




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                                  Exhibit (a)(4)
    

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August 22, 1997

To Holders of Units of Limited Partnership
 Interest in PaineWebber R&D Partners II, L.P.:

By now you may have received a letter from PaineWebber Development Corporation
("PaineWebber") recommending that you refrain from selling your Units in
PaineWebber R&D Partners II, L.P. to BioRoyalties, L.L.C.  PaineWebber states
that the reason for this recommendation is that the $3,650 price per Unit
offered by BioRoyalties is financially inadequate, and that it believes the fair
value of a Unit is between $5,555 and $6,955.  BioRoyalties disagrees with
PaineWebber's valuation, and believes that the following considerations are
relevant to your decision whether to sell.

- -   PAINEWEBBER'S VALUATION IS NOT AN OFFER.  PaineWebber's valuation is an
    estimate based on assumptions that have not been made available to you or
    BioRoyalties and that may or may not prove to be true.  PaineWebber is not
    assuming any risk of loss if the assumptions prove to be wrong.  IN ITS
    RECOMMENDATION, PAINEWEBBER STATES THAT "...[IT] AND THE PARTNERSHIP ARE
    UNABLE TO PROVIDE ANY ASSURANCE THAT THE ACTUAL VALUE THAT MAY BE REALIZED
    BY THE PARTNERSHIP OR ANY LIMITED PARTNER WOULD BE AS INDICATED BY SUCH
    RANGE OF VALUES."

- -   ADDITIONAL TEN-YEAR HOLDING PERIOD.  It has been ten years since you
    invested in the Partnership, if you purchased Units in the original
    offering.  Accepting PaineWebber's recommendation not to sell may require
    that you hold your investment (or future in-kind distributions therefrom)
    for an additional ten years -- the period of time for which ReoPro
    royalties are payable - in order to realize PaineWebber's $5,555 to $6,965
    estimate of current value.

- -   PREMIUM TO HISTORICAL PRICES.  The Purchase Price of $3,650 is 46% higher
    than the most recent and highest selling price ($2,500 per Unit, less
    commissions of up to 8.75%) of a Unit traded on the Chicago Partnership
    Board or in any other secondary market transaction of which BioRoyalties is
    aware.  According to PaineWebber, "[t]he Units are illiquid, so there is no
    efficient trading market for the Units [and] the prices that may be
    realized by a seller in such market have historically been and may be lower
    than the price [BioRoyalties] is offering."

- -   PLANNED LIQUIDATION/CENTOCOR LITIGATION SETTLEMENT.  In its recommendation,
    PaineWebber states that "...[it] is in the process of winding-up [the
    Partnership's] operations, which it anticipates will be completed within
    the next several years, and that the Limited Partners should receive
    substantial value in connection therewith, including pro rata distributions
    of the proceeds of the proposed settlement of the Centocor Litigation,
    which distribution may be in cash or other property."  PaineWebber does not
    specify the timing, nature or size of any distribution that will be
    received by you pursuant to a proposed winding up of the Partnership's
    operations.  In addition to revised payments based on the sales of ReoPro
    over the next 10 years, the proposed settlement of the Centocor Litigation
    would result in one-time cash payments of approximately $795 per Unit
    (approximately $420 in 1997, $280 in 1998, and $95 if and when ReoPro is
    approved for marketing in Japan).

As a result of these considerations, as well as those outlined in greater detail
in the Offer to Purchase, any Holder who desires liquidity in his or her
investment in the Partnership may wish to consider selling his or her Units
pursuant to the Offer.  Please feel free to call either The Herman Group 
((800) 243-3399) or BioRoyalties ((800) 600-1450) with any questions you might
have.

Very truly yours,


BioRoyalties, L.L.C.
    


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