Results of Operations and Financial Condition. On October 28, 2026, Fortinet, Inc. issued a press release reporting its financial results for the third quarter ended September 30, 2026. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated herein by reference. This information shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securi…

Results of Operations and Financial Condition. On July 29, 2026, Fortinet, Inc. issued a press release reporting its financial results for the second quarter ended June 30, 2026. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated herein by reference. This information shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Ac…

Results of Operations and Financial Condition. On May 6, 2026, Fortinet, Inc. issued a press release reporting its financial results for the first quarter ended March 31, 2026. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated herein by reference. This information shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act…

Results of Operations and Financial Condition. On February 5, 2026, Fortinet, Inc. issued a press release reporting its financial results for the fourth quarter and year ended December 31, 2025. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated herein by reference. This information shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under t…

Results of Operations and Financial Condition. On November 5, 2025, Fortinet, Inc. issued a press release reporting its financial results for the third quarter ended September 30, 2025. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated herein by reference. This information shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securi…

Other Events. On August 21, 2025, the Board of Directors of Fortinet, Inc. (“Fortinet”) (i) authorized an increase of Fortinet’s share repurchase program by $1 billion worth of shares of common stock for an aggregate authorized repurchase amount of up to $9.25 billion and (ii) extended the share repurchase program from February 28, 2026 to February 28, 2027. As of August 21, 2025, approximately $1.23 billion remained available under the existing program, including the $1 billion increase. Rep…

Results of Operations and Financial Condition. On August 6, 2025, Fortinet, Inc. issued a press release reporting its financial results for the second quarter ended June 30, 2025. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated herein by reference. This information shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities A…

Chief Financial Officer — Keith Jensen: Keith Jensen is retiring and Christiane Ohlgart has been appointed as the new Chief Financial Officer.

Results of Operations and Financial Condition. On May 7, 2025, Fortinet, Inc. issued a press release reporting its financial results for the first quarter ended March 31, 2025. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated herein by reference. This information shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act…

Chief Financial Officer — Keith Jensen: Mr. Jensen is retiring and will be succeeded by Christiane Ohlgart.

Results of Operations and Financial Condition. On February 6, 2025, Fortinet, Inc. (the “Company”) issued a press release reporting its financial results for the fourth quarter and year ended December 31, 2024. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated herein by reference. This information shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in an…

Director — Janet Napolitano: Janet Napolitano was appointed to join the Board of Directors and later assigned to the Cybersecurity Committee.

Director — Janet Napolitano: The Board of Directors increased the size of the Board and appointed Janet Napolitano as a new director.

Results of Operations and Financial Condition. On November 7, 2024, Fortinet, Inc. issued a press release reporting its financial results for the third quarter ended September 30, 2024. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated herein by reference. This information shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securi…

Results of Operations and Financial Condition. On August 6, 2024, Fortinet, Inc. (the “Company”) furnished a Current Report on Form 8-K that included a press release reporting its financial results for the second quarter ended June 30, 2024 (the “Original Form 8-K”). This Current Report on Form 8-K/A amends the Original 8-K solely for the purpose of correcting a clerical error with respect to its guidance for the third quarter of 2024 and fiscal year of 2024 with respect to diluted non-GAAP n…

Results of Operations and Financial Condition. On August 6, 2024, Fortinet, Inc. issued a press release reporting its financial results for the second quarter ended June 30, 2024. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated herein by reference. This information shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities A…

Director — Mary Agnes 'Maggie' Wilderotter: Ms. Wilderotter was reelected to the Board and appointed to the Governance Committee.

Results of Operations and Financial Condition. On May 2, 2024, Fortinet, Inc. issued a press release reporting its financial results for the first quarter ended March 31, 2024. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated herein by reference. This information shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act…

Director and Chief Accounting Officer — Maggie Wilderotter and Christiane Ohlgart: The company appointed Maggie Wilderotter as a new director and Christiane Ohlgart as Chief Accounting Officer, expanding the board and strengthening management.

Results of Operations and Financial Condition. On February 6, 2024, Fortinet, Inc. issued a press release reporting its financial results for the fourth quarter and year ended December 31, 2023. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated herein by reference. This information shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under t…

Chief Operating Officer — John Whittle: John Whittle was promoted to Chief Operating Officer at Fortinet, Inc.

Chief Revenue Officer and Executive Vice President of Support — Patrice Perche: Mr. Perche intends to retire in mid-2024 after approximately 19 years of service.

Results of Operations and Financial Condition. On November 2, 2023, Fortinet, Inc. issued a press release reporting its financial results for the third quarter ended September 30, 2023. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated herein by reference. This information shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securi…

Results of Operations and Financial Condition. On August 3, 2023, Fortinet, Inc. issued a press release reporting its financial results for the second quarter ended June 30, 2023. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated herein by reference. This information shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities A…

Results of Operations and Financial Condition. On May 4, 2023, Fortinet, Inc. issued a press release reporting its financial results for the first quarter ended March 31, 2023. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated herein by reference. This information shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act…