X0206 3 2013-03-12 0 0001180079 SILVER SPRING NETWORKS INC SSNI 0001571598 Kalinowski Carrie J. C/O SILVER SPRING NETWORKS, INC. 555 BROADWAY ST. REDWOOD CITY CA 94063 0 1 0 0 VP, Finance & Corp. Controller Common Stock 25279 D Employee Stock Option (Right to Buy) 0.1 2015-12-27 Common Stock 1250 D Employee Stock Option (Right to Buy) 1.1 2017-06-12 Common Stock 25521 D Employee Stock Option (Right to Buy) 1.1 2017-12-13 Common Stock 20000 D Employee Stock Option (Right to Buy) 3.6 2018-12-23 Common Stock 12000 D Employee Stock Option (Right to Buy) 34.9 2020-01-24 Common Stock 2800 D Restricted Stock Units 0 Common Stock 494 D Employee Stock Option (Right to Buy) 50.25 2021-02-23 Common Stock 5600 D Restricted Stock Units 0 Common Stock 290 D Restricted Stock Units 0 Common Stock 1000 D Fully vested. The stock option is vested as to 1/4th of the total number of shares on January 25, 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 restricted stock units are 100% vested as 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. The stock option grant is vested as to 1/4th of the total number of shares on January 15, 2012 and thereafter shall vest as to 1/48th of the total number of shares in equal monthly installments. The restricted stock units are 1/4th vested as of the date of the Issuer's initial public offering and thereafter shall vest as to 1/4th of the total number of restricted stock units originally granted in equal annual installments. Shares of the Issuer's common stock will be delivered to the Reporting Person following vesting. /s/ Carrie J. Kalinowski by Lanson Wan, Attorney-in-Fact 2013-03-12