Contract Adjustments

It is the policy of CBOE not to comment on possible contract adjustments of options traded on CBOE. Per Rule 5.7, contract adjustments of options are governed by the OCC's By-Laws and Rules, and CBOE directs you to contact OCC Investor Services at (888) 678-4667 or investorservices@theocc.com for further information. The OCC also publishes information on its website here related to adjustments which may be helpful to review. CBOE cannot provide any guidance as to how OCC's By-Laws or Rules may be applied in any particular situation. If an adjustment is made by the Securities Committee of the OCC, a memorandum will be issued and disseminated on the OCC's and CBOE's website.

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July 27, 2016:   16-542 Key Energy Services Inc. (KEG) Move and Begin Trading on the OTC Market and Stock Symbol and Option Symbol Change to (KEGX) 
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July 27, 2016:   16-543 ExamWorks Group, Inc. (EXAM) Merger Completed 
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July 27, 2016:   16-541 Krispy Kreme Doughnuts, Inc. (KKD) Merger COMPLETED 
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July 27, 2016:   16-540 Caladrius Biosciences, Inc. (CLBS) 1-for-10 Reverse Stock Split 
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July 27, 2016:   16-538 Comstock Resources, Inc. (CRK) 1-for-5 Reverse Stock Split 
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July 27, 2016:   16-536 Emergent Biosolutions Inc. (EBS) Distribution of Shares of 
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July 26, 2016:   16-535 Krispy Kreme Doughnuts, Inc. ("KKD") Proposed Merger 
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July 22, 2016:   16-534 Synta Pharmaceuticals Corporation (SNTA) Name Change, Symbol Change, Reverse Stock Split 
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July 22, 2016:   16-533 EMCORE Corporation (EMKR) CONTRACT ADJUSTMENT FOR SPECIAL CASH DIVIDEND 
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July 20, 2016:   16-531 UPDATE: Liberty Interactive Corporation Series A Liberty Ventures ("LVNTA") Distribution of Shares of CommerceHub Series A ("CHUBA") and CommerceHub Series C ("CHUBK") 
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