X0306 4 2016-10-05 1 0000772897 HUTCHINSON TECHNOLOGY INC HTCH 0001233126 SORAN PHILIP 40 WEST HIGHLAND PARK DRIVE NE HUTCHINSON MN 55350 1 Common Stock 2016-10-05 4 D 0 75197 4.00 D 0 D Stock Option (Right to Buy) 1.76 2016-10-05 4 D 0 2500 0 D 2021-10-07 Common Stock 2500 0 D Stock Option (Right to Buy) 1.53 2016-10-05 4 D 0 1666 0 D 2022-01-25 Common Stock 1666 0 D Stock Option (Right to Buy) 2.82 2016-10-05 4 D 0 3333 0 D 2023-01-30 Common Stock 3333 0 D Stock Option (Right to Buy) 3.88 2016-10-05 4 D 0 5000 0 D 2024-01-30 Common Stock 5000 0 D Stock Option (Right to Buy) 3.50 2016-10-05 4 D 0 10000 0 D 2025-01-29 Common Stock 10000 0 D Price reflects per share consideration paid pursuant to the Agreement and Plan of Merger, dated November 1, 2015 (the "Merger Agreement"), by and among Hutchinson Technology Incorporated, Headway Technologies, Inc. and Hydra Merger Sub, Inc. These stock options, which provided for vesting in two equal installments beginning on the first anniversary of the date of grant, were canceled pursuant to the terms of the Merger Agreement in exchange for a cash payment of $4.00 less the per share exercise price multiplied by the number of unexercised options, without interest. These stock options, which became exercisable on January 25, 2014, were canceled pursuant to the terms of the Merger Agreement in exchange for a cash payment of $4.00 less the per share exercise price multiplied by the number of unexercised options, without interest. These stock options, which became exercisable on January 30, 2014, were canceled pursuant to the terms of the Merger Agreement in exchange for a cash payment of $4.00 less the per share exercise price multiplied by the number of unexercised options, without interest. These stock options, which provided for vesting in three equal installments beginning on the first anniversary of the date of grant, were canceled pursuant to the terms of the Merger Agreement in exchange for a cash payment of $4.00 less the per share exercise price multiplied by the number of unexercised options, without interest. These stock options, which provided for vesting in three equal installments beginning on the first anniversary of the date of grant, were canceled pursuant to the terms of the Merger Agreement in exchange for a cash payment of $4.00 less the per share exercise price multiplied by the number of unexercised options, without interest. /s/ Peggy Steif Abram, attorney-in-fact 2016-10-05