13D Filing: Starboard Value LP and Quantum Corp (QTM)

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(b) 1. Sole power to vote or direct vote: 97,846
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 97,846
4. Shared power to dispose or direct the disposition: 0
(c) Starboard R GP has not entered into any transactions in the Shares during the past sixty days.
Other than the Notes having matured (as defined and described in Item 6 below), Starboard C LP has not transacted in the Shares
during the past sixty days.
F. Starboard Value LP
(a) As of the close of business on November 15, 2017, 187,521 Shares were held in the Starboard Value
LP Account. Starboard Value LP, as the investment manager of Starboard V&O Fund, Starboard C LP and the Starboard Value Account
and the manager of Starboard S LLC, may be deemed the beneficial owner of the (i) 534,661 Shares owned by Starboard V&O Fund,
(ii) 119,844 Shares owned by Starboard S LLC, (iii) 97,846 Shares owned by Starboard C LP and (iv) 187,521 Shares held in the Starboard
Value LP Account.

Percentage: Approximately 2.7%

(b) 1. Sole power to vote or direct vote: 939,872
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 939,872
4. Shared power to dispose or direct the disposition: 0
(c) Other than the Notes having matured (as defined and described in Item 6 below), Starboard Value
LP through the Starboard Value LP Account and each of Starboard V&O Fund, Starboard S LLC and Starboard C LP have not transacted
in the Shares during the past sixty days.
G. Starboard Value GP
(a) Starboard Value GP, as the general partner of Starboard Value LP, may be deemed the beneficial
owner of the (i) 534,661 Shares owned by Starboard V&O Fund, (ii) 119,844 Shares owned by Starboard S LLC, (iii) 97,846 Shares
owned by Starboard C LP and (iv) 187,521 Shares held in the Starboard Value LP Account.

Percentage: Approximately 2.7%

(b) 1. Sole power to vote or direct vote: 939,872
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 939,872
4. Shared power to dispose or direct the disposition: 0
(c) Starboard Value GP has not entered into any transactions in the Shares during the past sixty days.
Other than the Notes having matured (as defined and described in Item 6 below), each of Starboard V&O Fund, Starboard S
LLC, Starboard C LP and Starboard Value LP through the Starboard Value LP Account have not transacted in the Shares during the
past sixty days.
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