N A S D A Q : O S S Corporate Presentation June 2021 onestopsystems.com Important Disclaimers & Cautions Regarding Forward-Looking Statements 2 One Stop Systems cautions you that statements in this presentation that are not a description of historical facts are forward-looking statements. These statements are based on the company's current beliefs and expectations. The inclusion of forward-looking statements should not be regarded as a representation by One Stop Systems or its partners that any of our plans ...

One Stop Systems, Inc. (NASDAQ:OSS) Q1 2021 Earnings Conference Call May 13, 2021 5:00 PM ET Company Participants David Raun - President and Chief Executive Officer John Morrison - Chief Financial Officer Jim Ison - Chief Sales and Marketing Officer Conference Call Participants Scott Searle - ROTH Capital Joe Gomes - NOBLE Capital Operator Good afternoon and thank you for joining us today to discuss One Stop Systems' financial results for the first quarter ended March 31, 2021. With us today are the comp ...

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 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: 001-38371 One Stop Systems, Inc. (Exact Name of Registrant as Specified in its Charter) (State or other j ...

One Stop Systems Inc (NASDAQ:OSS) Q4 2020 Earnings Conference Call March 25, 2021 5:00 PM ET Company Participants David Raun - President and CEO John Morrison - CFO Jim Ison - Chief Sales and Marketing Officer Conference Call Participants Scott Searle - ROTH Capital Ruben Roy - Benchmark Brian Kinstlinger - Alliance Global Partners Operator Good afternoon and thank you for joining us today to discuss One Stop Systems' Financial Results for the Fourth Quarter and Full-Year Ended December 31, 2020. With us to ...

(Mark One) ☒ 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 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☐ 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 001-38371 One Stop Systems, Inc. (Exact name of Registrant as specified in its Charter) Delaware 33-0885351 (State or o ...

One Stop Systems, Inc. (NASDAQ:OSS) Q3 2020 Earnings Conference Call November 12, 2020 5:00 PM ET Company Participants David Raun - President & Chief Executive Officer John Morrison - Chief Financial Officer Jim Ison - Chief Sales & Marketing Officer Conference Call Participants Ruben Roy - Benchmark Joe Gomes - NOBLE Capital Operator Ladies and gentlemen, good afternoon and thank you for joining us today to discuss One Stop Systems' Financial Results for the Third Quarter Ended September 30th, 2020. With u ...

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: 001-38371 One Stop Systems, Inc. (Exact Name of Registrant as Specified in its Charter) ( State or ot ...

One Stop Systems, Inc. (NASDAQ:OSS) Q2 2020 Earnings Conference Call August 6, 2020 5:00 PM ET Company Participants David Raun – President, Chief Executive Officer and Director John Morrison – Chief Financial Officer, Treasurer and Secretary Jim Ison – Chief Sales & Marketing Officer Conference Call Participants Christian Bliska – NOBLE Capital Scott Searle – ROTH Capital Partners Rudy Miller – Miller Capital Corporation Operator Good afternoon, and thank you for joining us today to discuss One Stop Systems ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION (Exact Name of Registrant as Specified in its Charter) 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 June 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: 001-38371 One Stop Systems, Inc. ( State or other j ...

One Stop Systems, Inc. (NASDAQ:OSS) Q1 2020 Earnings Conference Call May 14, 2020 5:00 PM ET Company Participants David Raun - Interim Chief Executive Officer and Director John Morrison - Chief Financial Officer and Treasurer Jim Ison - Chief Sales and Marketing Officer Conference Call Participants Scott Searle - ROTH Capital Partners, LLC Joseph Gomes - NOBLE Capital Markets, Inc. Ruben Roy - The Benchmark Company, LLC Aman Gulani - B. Riley FBR, Inc. Operator Good afternoon. Thank you for joining us today ...