June 30, 2000
Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D.C. 20549
Re: PE Corporation
Registration Statement on Form S-4
(File No. 333-31168)
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Ladies & Gentlemen:
Pursuant to Rule 477 of the Regulations under the Securities Act of
1933, as amended, PE Corporation ("PE") hereby requests that the above-
referenced Registration Statement (the "Registration Statement") be withdrawn
effective immediately. The Registration Statement would have registered an
additional 4,009,685 shares of PE Corporation--PE Biosystems Group common
stock to be issued as merger consideration pursuant to a merger agreement
between PE Corporation and Third Wave Technologies, Inc. The merger
agreement has subsequently been terminated by mutual agreement of the
parties.
The Registration Statement was not used to solicit the vote or
proxy of any of the shareholders of Third Wave Technologies, Inc. No offers
or sales of stock were made pursuant to the Registration Statement.
Sincerely yours,
PE Corporation
By: /s/ William B. Sawch
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Name: William B. Sawch, Esq.
Title: Senior Vice President and
General Counsel
