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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May 26, 2017:   17-299 Celsion Corporation ("CLSN") 1-for-14 Reverse Common Stock Split 
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May 23, 2017:   17-298 DeVry Education Group Inc. ("DV") Name, Stock and Option Symbol Change to Adtalem Global Education Inc. ("ATGE") 
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May 23, 2017:   17-297 RetailMeNot, Inc. Series 1 ("SALE"): Merger Completed - Cash Settlement 
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May 19, 2017:   17-296 ArcelorMittal ("MT") 1-for-3 Reverse ADS Split 
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May 19, 2017:   17-295 National Grid plc ("NGG") Share Consolidation/Cash Distribution 
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May 19, 2017:   17-294 China Digital TV Holding Co., Ltd. ("STV") Move and Begin Trading on the Other-OTC Market and ADS Symbol and Option Symbol Change to ("STVVY") 
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May 18, 2017:   17-293 Sibanye Gold Limited ("SBGL") Rights Distribution 
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May 18, 2017:   17-292 Pimco Total Return Active Exchange-Traded Fund ("BOND") Name Change to: Pimco Active Bond ETF 
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May 18, 2017:   17-291 InvenSense, Inc. ("INVN") Merger COMPLETED with TDK Corporation - Cash Settlement 
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May 17, 2017:   17-290 Gulfmark Offshore, Inc. Class A ("GLFM") Stock and Option Symbol Change to "GLFMQ" 
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