POSITION LIMIT CIRCULAR PL16-014 DATE: April 4, 2016 TO: Permit Holders RE: Cameron International Corporation ("CAM") Merger COMPLETED with Schlumberger Limited ("SLB") Effective Date: Friday, April 1, 2016 As a result of the above merger, the Cameron International Corporation option symbol will change to SLB1. The Exchange has established that the position and exercise limits following this merger will be any combination of SLB and SLB1 option contracts on the same side of the market not to exceed 500,000 contracts (50,000,000 shares) through January 19, 2018. Following the January 19, 2018 expiration, the position and exercise limits will revert to the standard limit of 250,000 contracts (25,000,000 shares) of SLB. Please be reminded that on Monday, April 4, 2016: Each adjusted Cameron International Corporation contract will require the receipt or delivery of: (A) 71 shares of SLB Common Stock; plus (B) $1,444.00 cash; plus (C) cash in lieu of 0.6 fractional share of SLB Common Stock. Please refer to Research Circular #RS16-235. For additional information, please contact Sherrell Forbes at (312) 786-7178 in the Regulatory Division.