Exhibit 6 LOCK-UP AGREEMENTLock-Up Agreement • July 24th, 2000 • Relational Investors LLC • Instruments for meas & testing of electricity & elec signals
The undersigned understands that Thomas Weisel Partners ("TWP") as a "market maker," as defined in Sections 3(a)(38) of the Securities Exchange Act of 1934, is prepared to act in the capacity of a block positioner with respect to the purchase from the undersigned in accordance with Rule 144 under the Securities Act of 1933 of 3,250,000 shares of common stock, without par value (the "Common Stock"), of Tektronix, Inc., an Oregon corporation (the "Company"), and the undersigned represents and warrants that it has the power of disposition with respect to such shares of Common Stock, as well as an additional 1,343,884 shares of the Company's Common Stock. In recognition of the benefit that such a transaction will confer upon the undersigned, and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the undersigned agrees with you that, during the period from the date hereof until the beginning of the second trading day following the Compan
