Registration No. 33-49156 SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 TECHNE CORPORATION (Name of issuer in its charter) Minnesota 41-1427402 (State or other juris- (I.R.S. Employer diction of incorporation Identification Number) or organization) Techne Corporation 614 McKinley Place N.E. Minneapolis, Minnesota 55413 (612) 379-8854 (Address and telephone number of principal executive offices and principal place of business) Thomas E. Oland President Techne Corporation 614 McKinley Place N.E. Minneapolis, Minnesota 55413 (612) 379-8854 (Name, address and telephone number of agent for service) Copies to: Timothy M. Heaney, Esq. Fredrikson & Byron, P.A. 900 Second Avenue South, Suite 1100 Minneapolis, Minnesota 55402 Approximate date of commencement of proposed sale to the public: Sales will not commence. The Registrant hereby amends this Registration Statement on such date or dates as may be necessary to delay its effective date until the Registrant shall file a further amendment which specifically states that this Registration Statement shall thereafter become effective in accordance with Section 8(a) of the Securities Act of 1933 or until the Registration Statement shall become effective on such date as the Commission, acting pursuant to said Section 8(a), may determine. This Post-Effective Amendment is being filed to de-register 537,066 shares of Common Stock (the "Shares") of Techne Corporation (the "Registrant") which were registered under a Registration Statement on Form S-3, Registration No. 33-49156 for sale by a selling shareholder. As of the date of this Post-Effective Amendment, the Shares remain unsold and, since the holding period under Rule 144(k) has been met with respect to the Shares, there is no further need to maintain the Registration Statement in effect. SIGNATURES In accordance with the requirements of the Securities Act of 1933, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-3 and has caused this amendment to the Registration Statement to be signed on its behalf by the undersigned, in the City of Minneapolis, State of Minnesota, on October 19th, 1995. TECHNE CORPORATION By /s/ Thomas E. Oland Thomas E. Oland, President Pursuant to the requirements of the Securities Act of 1933, this amendment to the Registration Statement has been signed by the following persons in the capacities and on the dates indicated. Signature Title Date /s/ Thomas E. Oland Chairman, President, Chief October 19, 1995 Thomas E. Oland Executive Officer and Treasurer (principal executive officer and principal accounting officer) /s/ Roger C. Lucas Vice Chairman and Director October 19, 1995 Roger C. Lucas /s/ Howard V. O'Connell Director October 19, 1995 Howard V. O'Connell /s/ G. Arthur Herbert Director October 19, 1995 G. Arthur Herbert /s/ Randolph C. Steer Director October 19, 1995 Randolph C. Steer, M.D. /s/ Lowell E. Sears Director October 19, 1995 Lowell E. Sears