The solicitation and the offer to purchase shares of Infoblox's common stock described in this press release will be made only pursuant to the offer to purchase and related materials that Vista has filed on Schedule TO with the SEC. In addition, Infoblox has filed its recommendation of the tender offer on Schedule 14D-9 with the SEC. Additionally, Infoblox and Vista will file other relevant materials in connection with the proposed acquisition of Infoblox by Vista pursuant to the terms of the merger agreement. INVESTORS AND STOCKHOLDERS OF INFOBLOX ARE ADVISED TO READ THE SCHEDULE TO (INCLUDING AN OFFER TO PURCHASE, A RELATED LETTER OF TRANSMITTAL AND OTHER OFFER DOCUMENTS) AND THE SCHEDULE 14D-9, AS EACH MAY BE AMENDED OR SUPPLEMENTED FROM TIME TO TIME, AND ANY OTHER RELEVANT DOCUMENTS FILED WITH THE SEC ON OCTOBER 7, 2016, BEFORE MAKING ANY DECISION WITH RESPECT TO THE TENDER OFFER, BECAUSE THESE DOCUMENTS WILL CONTAIN IMPORTANT INFORMATION ABOUT THE PROPOSED TRANSACTION AND THE PARTIES THERETO.Investors and stockholders may obtain free copies of the Schedule TO and Schedule 14D-9, as each may be amended or supplemented from time to time, and other documents filed by the parties (when available), at the SEC's web site at www.sec.gov, and from the information agent named in the tender offer materials. Investors may also obtain, at no charge, any such documents filed with or furnished to the SEC by the Company under the investor relations section of the Company's website at http://ir.infoblox.com. Cautionary Notice Regarding Forward-Looking Statements All statements in this communication that are not statements of historical fact are forward looking statements. These forward-looking statements can be identified by the fact that they do not relate only to historical or current facts. Forward-looking statements often use words such as "anticipate", "target", "expect", "estimate", "intend", "plan", "goal", "believe", "hope", "aim", "continue", "will", "may", "would", "could" or "should" or other words of similar meaning or the negative thereof. These statements involve risks and uncertainties that could cause our actual results to differ materially from those expressed or implied in forward-looking statements, including, but not limited to: (i) uncertainties as to the timing of the proposed transaction; (ii) the risk that the proposed transaction may not be completed in a timely manner or at all; (iii) uncertainties as to the percentage of Infoblox's stockholders that will support the proposed transaction and tender their shares in the offer; (iv) the possibility that competing offers or acquisition proposals for Infoblox will be made; (v) the possibility that any or all of the various conditions to the consummation of the proposed transaction may not be satisfied or waived, including the failure to receive any required regulatory approvals from any applicable governmental entities (or any conditions, limitations or restrictions placed on such approvals); (vi) the occurrence of any event, change or other circumstance that could give rise to the termination of the Merger Agreement, including in circumstances which would require Infoblox to pay a termination fee or other expenses; (vii) risks regarding the failure to obtain the necessary financing to complete the proposed transaction; (viii) risks related to the debt financing arrangements entered into in connection with the proposed transaction; (ix) the effect of the announcement or pendency of the proposed transaction on Infoblox's ability to retain and hire key personnel, its ability to maintain relationships with its customers, resellers, channel partners, suppliers and others with whom it does business, or its operating results and business generally; (x) risks related to diverting management's attention from Infoblox's ongoing business operations; (xi) the risk that unexpected costs will be incurred in connection with the proposed transaction; (xii) changes in economic conditions, political conditions, trade protection measures, licensing requirements and tax matters; (xiii) the risk that stockholder litigation in connection with the proposed transaction may result in significant costs of defense, indemnification and liability and (xiv) other factors as set forth from time to time in Infoblox's filings with the Securities and Exchange Commission ("SEC"), which are available on our investor relations Web site ( http://ir.infoblox.com/) and on the SEC's Web site ( www.sec.gov). All information provided in this communication is as of the date hereof, and stockholders of Infoblox are cautioned not to place undue reliance on our forward-looking statements, which speak only as of the date such statements are made. Infoblox does not undertake any obligation to publicly update any forward-looking statements to reflect events, circumstances or new information after this communication, or to reflect the occurrence of unanticipated events, except as required by applicable law.