X0306 4 2014-07-18 0 0001517228 CommScope Holding Company, Inc. COMM 0001475635 Armstrong Philip Martin JR C/O COMMSCOPE HOLDING COMPANY, INC., 1100 COMMSCOPE PLACE, SE HICKORY NC 28602 0 1 0 0 SVP, Corporate Finance Common Stock 2014-07-18 4 M 0 200 2.96 A 5120 D Common Stock 2014-07-18 4 S 0 200 24.00 D 4920 D Common Stock 2014-07-22 4 M 0 10993 2.96 A 15913 D Common Stock 2014-07-22 4 M 0 13807 8.55 A 29720 D Common Stock 2014-07-22 4 M 0 5000 5.74 A 34720 D Common Stock 2014-07-22 4 S 0 29800 24.116 D 4920 D Stock Option (Right to Buy) 2.96 2014-07-18 4 M 0 200 0.00 D 2011-01-14 2019-03-24 Common Stock 200 10993 D Stock Option (Right to Buy) 2.96 2014-07-22 4 M 0 10993 0.00 D 2011-01-14 2019-03-24 Common Stock 10993 0 D Stock Option (Right to Buy) 8.55 2014-07-22 4 M 0 13807 0.00 D 2011-01-14 2020-01-20 Common Stock 13807 1694 D Stock Option (Right to Buy) 5.74 2014-07-22 4 M 0 5000 0.00 D 2021-01-26 Common Stock 5000 105061 D The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 5, 2014. The price shown is the weighted average price of the shares sold in this transaction. The price range for this transaction is $24.00 to $24.27. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price for this transaction. Includes 33,126 unvested options that vest ratably on each of 01/14/15 and 01/14/16, subject to the reporting person's continued service on each vesting date. Per SEC guidance, excludes 55,569 unvested options that are subject to performance-based vesting conditions. /s/Philip M. Armstrong, Jr. 2014-07-22