X0206 3 2013-03-12 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 350743 I Held by the Scott Lang and Karen-Schroeder Lang Revocable Trust of 2009, dtd December 28, 2009 Common Stock 29188 I Held by Elizabeth Lang Separate Trust, Dated November 12, 2011 Common Stock 29188 I Held by Victoria Lang Separate Trust, Dated November 12, 2011 Common Stock 29188 I Held by Alyssa Lang Separate Trust, Dated November 12, 2011 Common Stock 29188 I Held by Ashley Lang Separate Trust, Dated November 12, 2011 Employee Stock Option (Right to Buy) 1.10 2017-05-31 Common Stock 188000 D Employee Stock Option (Right to Buy) 1.10 2017-12-13 Common Stock 120000 D Employee Stock Option (Right to Buy) 3.60 2018-12-22 Common Stock 140000 D Employee Stock Option (Right to Buy) 34.9 2020-01-21 Common Stock 70000 D Employee Stock Option (Right to Buy) 50.25 2021-02-23 Common Stock 80000 D Restricted Stock Units 0 Common Stock 2000 D Reporting Person is the Co-Trustee. Reporting Person's wife is the trustee and Reporting Person's daughter is the beneficiary of the trust. Fully vested. The stock option is vested as to 1/4th of the total number of shares on January 22, 2011 and thereafter shall vest as to 1/48th of the total number of shares in equal monthly installments. The Issuer's Board of Directors previously approved the modification of stock options held by current employees and directors as of the date of the Issuer's initial public offering with an exercise price of $34.90 per share or greater to reduce the exercise price to a price equal to $17.00 (the price of the Issuer's common stock offered to the public in the Issuer's initial public offering). The stock option is vested as to 1/48th of the total number of shares on February 15, 2011 and thereafter shall vest as to 1/48th of the total number of shares in equal monthly installments. The restricted stock units are 100% vested as of the date of the Issuer's initial public offering. Shares of the Issuer's common stock will be delivered to the Reporting Person following vesting. Each restricted stock unit represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration. /s/ Scott A. Lang by Lanson Wan, Attorney-in-Fact 2013-03-12