`WesternGeco v. PGS (IPR2015-00309, 310, 311)
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`PGS Exhibit 2009, pg. 2
`WesternGeco v. PGS (IPR2015-00309, 310, 311)
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`PGS Exhibit 2009, pg. 3
`WesternGeco v. PGS (IPR2015-00309, 310, 311)
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`PGS Exhibit 2009, pg. 4
`WesternGeco v. PGS (IPR2015-00309, 310, 311)
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`PGS Exhibit 2009, pg. 5
`WesternGeco v. PGS (IPR2015-00309, 310, 311)
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`PGS Exhibit 2009, pg. 6
`WesternGeco v. PGS (IPR2015-00309, 310, 311)
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`PGS Exhibit 2009, pg. 7
`WesternGeco v. PGS (IPR2015-00309, 310, 311)
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`PGS Exhibit 2009, pg. 8
`WesternGeco v. PGS (IPR2015-00309, 310, 311)