GIGAMON INC. (NYSE:GIMO) Files An 8-K Submission of Matters to a Vote of Security Holders

Item5.07

On June29, 2017, Gigamon Inc. (Gigamon) held its 2017 annual
meeting of stockholders (the Annual Meeting). At the Annual
Meeting, stockholders and proxies representing 29,999,751 shares
of Gigamons common stock, or approximately 81.64% of the total
shares entitled to vote, were present and voted on the following
four proposals, each of which is described in more detail in
Gigamons definitive proxy statement filed with the U.S.
Securities and Exchange Commission on May19, 2017:

Proposal One Election of Directors. The following
nominees were elected as Class I directors to serve until the
2020 annual meeting of stockholders or until their respective
successors are duly elected and qualified.

Gigamons Board of Directors is comprised of ten members who are
divided into three classes with overlapping three-year terms. The
term of Gigamons Class II directors, Ted C. Ho, Corey M. Mulloy
and Robert E. Switz, will expire at the 2018 annual meeting of
stockholders. The term of Gigamons Class III directors, Joan A.
Dempsey, Paul A. Hooper and John H. Kispert, will expire at the
2019 annual meeting of stockholders.

Proposal Two Advisory Vote on Named Executive Officer
Compensation. The compensation of Gigamons named executive
officers was approved on a non-binding advisory basis.

Proposal Three Ratification of the Appointment of Independent
Registered Public Accounting Firm. The appointment of
PricewaterhouseCoopers LLP as Gigamons independent registered
public accounting firm for its fiscal year ending December30,
2017 was ratified.

Proposal Four Approval of Executive Incentive Plan. The
Executive Incentive Plan was approved.

About GIGAMON INC. (NYSE:GIMO)

Gigamon Inc. offers solutions that deliver visibility and control of traffic across networks. The Company’s Visibility Fabric solution consists of a distributed system of nodes that enable a level of visibility, modification and control of network traffic. Its GigaSECURE Security Delivery Platform enables the delivery of network, data as a service, for multiple security tools. Its Visibility Fabric solution consists of a distributed system of nodes that enable a level of visibility, modification and control of network traffic. Its GigaSMART platform provides a range of software applications to modify, manipulate, transform, filter, correlate and sample network traffic. The Company’s GigaVUE H Series includes both blade-based modular chassis products, such as the GigaVUE-HC-2, GigaVUE-HD-4, and GigaVUE-HD-8, as well as fixed-configuration appliances, such as the GigaVue-HB-1. It has presence in the United States; Rest of Americas; Europe, Middle East and Africa, and Asia Pacific.