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

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B.
Starboard S LLC
(a)
As of the close of business on January 26, 2016, Starboard S LLC beneficially owned 5,489,484Shares, including 2,850,637 Shares underlying the Notes.
Percentage: Approximately 2.1%
(b)
1. Sole power to vote or direct vote: 5,489,484
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 5,489,484
4. Shared power to dispose or direct the disposition: 0
(c)
The transactions in the Shares by Starboard S LLC during the past sixty days are set forth in Schedule A and are incorporated herein by reference.
C.
Starboard C LP
(a)
As of the close of business on January 26, 2016, Starboard C LP beneficially owned 2,637,166 Shares, including 482,696 Shares underlying the Notes.
Percentage: Less than 1%
(b)
1. Sole power to vote or direct vote: 2,637,166
2. Shared power to vote or direct vote:  0
3. Sole power to dispose or direct the disposition: 2,637,166
4. Shared power to dispose or direct the disposition: 0
(c)
The transactions in the Shares by Starboard C LP during the past sixty days are set forth in Schedule A and are incorporated herein by reference.
D.
Starboard R LP
(a)
Starboard R LP, as the general partner of Starboard C LP, may be deemed the beneficial owner of the 2,637,166 shares owned by Starboard C LP.
Percentage: Less than 1%
(b)
1. Sole power to vote or direct vote: 2,637,166
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 2,637,166
4. Shared power to dispose or direct the disposition: 0
(c)
Starboard R LP has not entered into any transactions in the Shares during the past sixty days.  The transactions in the Shares on behalf of Starboard C LPduring the past sixty days are set forth in Schedule A and are incorporated herein by reference.

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