PROSPECTUS SUPPLEMENT Rule 424(b)(3)
File No. 333-11601
MENTOR GRAPHICS CORPORATION
SUPPLEMENT DATED JANUARY 30, 1997
TO
PROSPECTUS DATED SEPTEMBER 13, 1996
Mayfield VI, one of the Selling Shareholders named in the
Prospectus, has made a distribution to its partners (the "Partners") of
424,938 Shares, which Shares may be sold pursuant to the Prospectus by the
Partners. No Partner is an officer, director or employee of the Company.
The following table sets forth certain information provided to the Company
by the Partners.
Shares of Common
Stock beneficially Common Stock
Name of owned as of offered by this
Selling Shareholder November 30, 1996 Prospectus
Shirley Ross Davis 620 620
Davis Family Revocable Trust DTD 4/1/92 620 620
Frank G. Myers Jr. & Susan F. Myers Trust 25,494 25,494
U/D/T Dated 3/4/80
Frank G. Myers Jr 344 344
B. S. & A. Myers Ptrs 4,559 4,559
Nancy S. Mueller Revocable Trust UDT 20,461 20,461
12/10/81
G & C Mueller Ptrs 5,116 5,116
Norman A. & Jill M. Fogelsong Trust UDT 3,995 3,995
3/22/84
The Fogelsong Children's Trust U/T/A 8/1/85 998 998
A. Grant Heidrich III & Jeannette Yvonne 23,976 23,976
Heidrich Community Prop. Tr UDT 8/9/84
A. Grant Heidrich III 344 344
BLH Trust U/D/T 12/7/88 3,039 3,039
AGH, IV Trust U/D/T 12/19/86 3,039 3,039
Michael J. Levinthal Trust U/D/T 1/18/88 18,807 18,807
Michael J. Levinthal 344 344
The Unger-Luchsinger Family Trust U/D/T 18,807 18,807
12/19/90
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Shares of Common
Stock beneficially Common Stock
Name of owned as of offered by this
Selling Shareholder November 30, 1996 Prospectus
William D. Unger 344 344
The Wendell G. & Ethel S. Van Auken Trust 14,976 14,976
U/D/T 9/17/75
Wendell G. Van Auken 344 344
Andrew Klatt 456 456
Kevin A. Fong & Sally J. Fong Trust U/D/T 17,895 17,895
5/7/86
Kevin A. Fong 344 344
Mark Levin 7,600 7,600
Harvard College and its subsidiary, Aeneas 168,300 15,900
Venture Corporation
Allen Invest. Co. 795 795
Army/Air Force Retirement Trust 49,890 1,590
Bell Atlantic Master Pension Trust 5,963 5,963
Carleton College 1,590 1,590
Brown & Williamson Master Retirement Trust 20,090 1,590
Illinois Municipal Retirement Fund 3,180 3,180
BankAmerica Capital Corporation 6,360 6,360
California Institute of Technology 6,929 3,180
Regents of the University of California 23,850 23,850
The Commonwealth Fund 3,180 3,180
Multitimes Ltd. 4,770 4,770
Corning Glass Works Master Trust (Pension) 3,180 3,180
Trustees of Dartmouth College 6,770 4,770
James C. Dudley 954 954
Sherman Fairchild Foundation 1,590 1,590
Robert Fleming Nominees Ltd. 3,180 3,180
Thomas W. Ford 1,590 1,590
L. Scott Frantz 199 199
William T. Frantz 199 199
Greenhouse Associates 1,590 1,590
The Haebler Co. 795 795
Mckinney Avenue Corporation 3,180 3,180
Helmerich & Payne, Inc. 6,360 6,360
Master Trust pursuant to the Hewlett Packard 6,360 6,360
Profit Sharing Plan and Retirement Plan
NYNEX Master Pension Trust 127,204 4,770
Horsley Bridge Fund I, L.P. 23,850 23,850
Leeway & Co. 12,720 12,720
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Shares of Common
Stock beneficially Common Stock
Name of owned as of offered by this
Selling Shareholder November 30, 1996 Prospectus
Massachusetts Institute of Technology 12,720 12,720
Bolsa Company 1,590 1,590
New York Life Insurance Co. 12,720 12,720
Owens-Illinois Master Retirement Trust 3,180 3,180
PR Venture Partners, L.P. 1,590 1,590
Trustees of Phillips Academy 3,180 3,180
Prudential Insurance Co. of America 49,883 6,360
Prudential Insurance Co. Retirement for US 57,360 6,360
Employees and Special Agents
Rensselaer Polytechnic Institute 1,590 1,590
Rockefeller Brothers Fund 4,770 4,770
Scinet Development & Holdings 1,192 1,192
Shing Kwan Investment Co. Ltd. 1,590 1,590
Robert R. Sprague Living Trust UDT 10/17/83 795 795
Leland Stanford Junior University 6,360 6,360
Star Capital Associates 1,590 1,590
Pebble II 3,180 3,180
Marion Stone Trust F/B/O Grandchildren dtd 1,590 1,590
12/30/87
Marion R. Stone 1,590 1,590
Marion R. Stone "C" Tr 636 636
Robert G. Stone Jr 1,192 1,192
John R. Metcalf 397 397
Lawrence V. Metcalf Trust A F/B/O John 79 79
Brockway Metcalf U/W 10/2/85
Lawrence V. Metcalf Trust B F/B/O Susan S 319 319
Metcalf U/W 10/2/85
Unisys Employees Retirement Trust 29,085 2,386
HLM Partners III, L.P. (United Tech 3,181 3,181
Retirement Trust)
Wellesley College 1,193 1,193
Yale University 23,851 23,851
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424,938
3
