X0306 4 2013-09-09 0 0001180079 SILVER SPRING NETWORKS INC SSNI 0001571601 Lang Scott A. C/O SILVER SPRING NETWORKS, INC. 555 BROADWAY ST. REDWOOD CITY CA 94063 1 1 0 0 Chairman, President & CEO Common Stock 2013-09-09 4 M 0 16093 1.1 A 43796 D Common Stock 2013-09-09 4 S 0 14903 17.5461 D 28893 D Common Stock 2013-09-09 4 S 0 1190 18.5378 D 27703 D Common Stock 2013-09-09 4 S 0 36680 17.4498 D 314063 I Held by the Scott Lang and Karen-Schroeder Lang Revocable Trust of 2009, dtd December 28, 2009 Common Stock 2013-09-09 4 S 0 920 18.5556 D 313143 I Held by the Scott Lang and Karen-Schroeder Lang Revocable Trust of 2009, dtd December 28, 2009 Common Stock 2013-09-10 4 S 0 9900 17.4166 D 303243 I Held by the Scott Lang and Karen-Schroeder Lang Revocable Trust of 2009, dtd December 28, 2009 Common Stock 29188 I Held in Trust on Behalf of Reporting Person's Child A Common Stock 29188 I Held in Trust on Behalf of Reporting Person's Child B Common Stock 29188 I Held in Trust on Behalf of Reporting Person's Child C Common Stock 29188 I Held in Trust on Behalf of Reporting Person's Child D Employee Stock Option (Right to Buy) 1.1 2013-09-09 4 M 0 16093 0 D 2017-05-31 Common Stock 16093 171907 D The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 30, 2013. Represents the aggregate of sales effected on the same day at different prices. Represents the weighted average sales price per share. The shares were sold at prices ranging from $17.30 to $18.28 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. Represents the weighted average sales price per share. The shares were sold at prices ranging from $18.30 to $18.97 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. Represents the weighted average sales price per share. The shares were sold at prices ranging from $17.30 to $18.27 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. Represents the weighted average sales price per share. The shares were sold at prices ranging from $18.32 to $18.97 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. Represents the weighted average sales price per share. The shares were sold at prices ranging from $17.40 to $17.84 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. Reporting Person is the Co-Trustee. Reporting Person's wife is the trustee and Reporting Person's child is the beneficiary of the trust. The stock option grant is 100% vested and immediately exercisable. /s/ Scott A. Lang by Lanson Wan, Attorney-in-Fact 2013-09-11