Block Admission Application and Return

Sandvine Corporation ('the Company') (TSX: SVC AIM: SAND), a leading provider of intelligent broadband network solutions announces that an application has been made to the London Stock Exchange for the admission to trading on AIM of a block listing of 11,579,300 Common Shares of no par value in the Company ("Common Shares"), which equates to approximately 8.4% of the current total issued share capital of the Company.
These shares, which extend the existing block listing, will rank pari passu with the existing Ordinary Shares in issue and will be allotted from time to time in accordance with the exercise of options under the Sandvine Corporation Employee share option scheme (the "Employee Option Scheme") and are expected to be admitted to AIM on 25 January 2012. 

In addition, the Company is providing an update to its block admission filed on 12 April 2007:

Name of company:

Sandvine Corporation

Name of Scheme:

Employee Option Scheme

Period of return:

From 30 October 2007 to 25 January 2012

Number of shares not issued under scheme at the end of the last period:


Number of shares issued under scheme during period:


Number of shares cancelled under the scheme during period:


Balance under scheme not yet issued at end of period:

10,774,651 (Including the above application)

Number and class of shares admitted under scheme and the date of admission:

11,579,300, to be admitted to trading on 25 January 2012

As of the date of this announcement, the Company had an issued share capital of 138,121,457 Common Shares


Sandvine's network policy control solutions focus on protecting and improving the quality of experience on the Internet. Our award-winning network policy control equipment and software helps fixed and mobile operators better understand network traffic, manage network congestion, create new services and revenues, mitigate traffic that is malicious or undesirable to subscribers, deliver QoS-prioritized multimedia services and increase subscriber satisfaction. With over 200 service provider customers in over 85 countries, serving hundreds of millions of broadband and mobile data subscribers, Sandvine is enhancing the Internet experience worldwide. For more information, please visit: www.sandvine.com.

Rick Wadsworth
+1 519 880 2400 ext. 3503

Andrew Chubb/Simon Bridges
Canaccord Genuity Limited
+44 0207 050 6500