UNIVERSAL DISPLAY CORP \PA\

• Either (1) confidential treatment has been accorded to certain portions of this exhibit pursuant to Rule 406 under the Securities Act of 1933, as amended, or Rule 24b-2 under the Securities Exchange Act of 1934, as amended, or (2) portions of this exhibit have been omitted pursuant to Item 601(b)(10)(iv) of Regulation S-K promulgated by the SEC.

(1)

Filed as an Exhibit to the Quarterly Report on Form 10-Q for the quarter ended June 30, 2018, filed with the SEC on August 9, 2018.

(2)

Filed as an Exhibit to the Annual Report on Form 10-K for the year ended December 31, 2003, filed with the SEC on March 1, 2004.

(3)

Filed as an Exhibit to the Annual Report on Form 10-K for the year ended December 31, 2019, filed with the SEC on February 20, 2020.

(4)

Filed as an Exhibit to the Annual Report on Form 10-K for the year ended December 31, 2008, filed with the SEC on March 12, 2009.

(5)

Filed as an Exhibit to the Quarterly Report on Form 10-Q for the quarter ended June 30, 2012, filed with the SEC on August 8, 2012.

(6)

Filed as an Exhibit to the Quarterly Report on Form 10-Q for the quarter ended March 31, 2010, filed with the SEC on May 10, 2010.

(7)

Filed as an Exhibit to the Annual Report on Form 10K-SB for the year ended December 31, 1997, filed with the SEC on March 31, 1998.

(8)

Filed as an Exhibit to the Quarterly Report on Form 10-Q for the quarter ended September 30, 2003, filed with the SEC on November 10, 2003.

(9)

Filed as an Exhibit to the Quarterly Report on Form 10-Q for the quarter ended June 30, 2006, filed with the SEC on August 9, 2006.

(10)

Filed as an Exhibit to the Quarterly Report on Form 10-Q for the quarter ended September 30, 2011, filed with the SEC on November 8, 2011.

(11)

Filed as an Exhibit to the Annual Report on Form 10-K for the year ended December 31, 2022, filed with the SEC on February 23, 2023.

(12)

Filed as Exhibit A to the Company's Definitive Proxy Statement for the 2014 Annual Meeting filed with the SEC on April 25, 2014.

(13)

Filed as an Exhibit to the Current Report on Form 8-K filed with the SEC on March 9, 2015.

(14)

Filed as an Exhibit to the Current Report on Form 8-K filed with the SEC on June 1, 2023.

(15)

Filed as Annex A to the Company's Definitive Proxy Statement for the 2023 Annual Meeting filed with the SEC on April 20, 2023.

(16)

Filed as an Exhibit to the Current Report on Form 8-K filed with the SEC on November 2, 2023.

(17)

Filed as an Exhibit to the Annual Report on Form 10-K for the year ended December 31, 2024, filed with the SEC on February 20, 2025.

(18)

Filed as an Exhibit to the Annual Report on Form 10-K for the year ended December 31, 2023, filed with the SEC on February 22, 2024.

Note: Any of the exhibits listed in the foregoing index not included with this report may be obtained, without charge, by writing to Mauro Premutico, Secretary, Universal Display Corporation, 250 Phillips Boulevard, Ewing, New Jersey 08618.

(b) The exhibits required to be filed by us with this report are listed above.

(c) The Consolidated Financial Statement schedules required to be filed by us with this report are listed above.