Advanced Genomics Platform for Next-Generation Cancer Therapies Personalis® Investor Presentation August 2021 Forward-Looking Statements This presentation and the accompanying oral presentation contain forward-looking statements made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. All statements other than statements of historical fact contained in this presentation, including statements as to future results of operations, financial condition, business strateg ...

Personalis, Inc. (NASDAQ:PSNL) Q2 2021 Earnings Conference Call August 4, 2021 5:30 PM ET Company Participants Caroline Corner – Investor Relations John West – President and Chief Executive Officer Aaron Tachibana – Chief Financial Officer Conference Call Participants Kevin DeGeeter – Oppenheimer Swayampakula Ramakanth – H.C. Wainwright Mark Massaro – BTIG Doug Schenkel – Cowen Mike Matson – Needham Patrick Donnelly – Citi Operator Good day, ladies and gentlemen, and welcome to the Personalis Second Quarter ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ________ to ________ Commission File Number: 001-38943 Personalis, Inc. (Exact Name of registrant as specified in its charter) (State or other jurisdiction of incorporation ...

Personalis, Inc. (NASDAQ:PSNL) Q1 2021 Earnings Conference Call May 5, 2021 5:00 PM ET Company Participants Caroline Corner - IR John West - President and CEO Aaron Tachibana - CFO Conference Call Participants Doug Schenkel - Cowen Vidyun Bais - BTIG Mike Matson - Needham & Company Swayampakula Ramakanth - H.C. Wainwright Operator Good day and thank you for standing by. Welcome to the Personalis First Quarter 2021 Earnings Conference Call. At this time, all participants are in a listen-only mode. After the ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ________ to ________ Commission File Number: 001-38943 Personalis, Inc. (Exact Name of registrant as specified in its charter) incorporation or organization) Menlo Park, C ...

Personalis, Inc. (NASDAQ:PSNL) Q4 2020 Earnings Conference Call February 25, 2021 5:00 PM ET Company Participants Caroline Corner - Investor Relations John West - President and Chief Executive Officer Aaron Tachibana - Chief Financial Officer Conference Call Participants Derik De Bruin - Bank of America Doug Schenkel - Cowen Patrick Donnelly - Citi Vidyun Bais - BTIG Operator Ladies and gentlemen, thank you for standing by and welcome to the Q4 2020 Personalis Earnings Conference Call. [Operator Instruction ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number 001-38943 Personalis, Inc. (Exact name of Registrant as specified in its Charter) Delaware 27-5411038 (State or other jurisdiction of incorporation ...

Personalis, Inc. (NASDAQ:PSNL) Q3 2020 Earnings Conference Call November 5, 2020 5:00 PM ET Company Participants Caroline Corner – Investor Relations John West – President and Chief Executive Officer Aaron Tachibana – Chief Financial Officer Conference Call Participants Ivy X. Ma – Bank of America Doug Schenkel – Cowen Kevin DeGeeter – Oppenheimer Vidyun Bais – BTIG Steve Unger – Needham Swayampakula Ram – H.C. Wainwright Patrick Donnelly – Citi Operator Ladies and gentlemen, thank you for standing by and w ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ________ to ________ Commission File Number: 001-38943 Personalis, Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 27-5411038 (State or ...

Personalis, Inc. (NASDAQ:PSNL) Q2 2020 Earnings Conference Call August 6, 2020 5:00 PM ET Company Participants Caroline Corner – Investor Relations John West – President and Chief Executive Officer Aaron Tachibana – Chief Financial Officer Conference Call Participants Subbu Nambi – Cowen Kevin DeGeeter – Oppenheimer Mark Massaro – BTIG Sandy Draper – Truist Swayampakula Ramakanth – H.C. Wainwright Operator Good afternoon. My name is Jerome, and I'll be your conference operator today. At this time, I would l ...