`WESTERNGECO Exhibit 2148, pg. 1
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`PGS v WESTERNGECO (IPR2014-00687)
`WESTERNGECO Exhibit 2148, pg. 2
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`PGS v WESTERNGECO (IPR2014-00687)
`WESTERNGECO Exhibit 2148, pg. 3
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`PGS v WESTERNGECO (IPR2014-00687)
`WESTERNGECO Exhibit 2148, pg. 4
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`PGS v WESTERNGECO (IPR2014-00687)
`WESTERNGECO Exhibit 2148, pg. 5
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`PGS v WESTERNGECO (IPR2014-00687)
`WESTERNGECO Exhibit 2148, pg. 6
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`PGS v WESTERNGECO (IPR2014-00687)
`WESTERNGECO Exhibit 2148, pg. 7
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`PGS v WESTERNGECO (IPR2014-00687)
`WESTERNGECO Exhibit 2148, pg. 8
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`PGS v WESTERNGECO (IPR2014-00687)
`WESTERNGECO Exhibit 2148, pg. 9