THE WOODLANDS, Texas — April 23, 2013 — Uni-Pixel, Inc. (NASDAQ: UNXL), a provider of Performance Engineered Films to the touch screen, flexible printed electronics, lighting and display markets, announced today that it has closed its previously-announced underwritten public offering of 1,195,000 common shares, and the exercise of the over-allotment option to purchase an additional 179,250 common shares, at a price to the public of $32.00 per share for gross proceeds to the company of $44.0 million. Uni-Pixel intends to use the proceeds from the offering for working capital and general corporate purposes.

Cowen and Company, LLC and Craig-Hallum Capital Group LLC acted as joint book-running managers for the offering.

A shelf registration statement (File No. 333-181656) relating to these securities was previously filed with, and declared effective by, the U.S. Securities and Exchange Commission, and a registration statement registering additional securities of the same class for the same offering was filed with the U.S. Securities and Exchange Commission (File No. 333-187975) pursuant to Rule 462(b) under the Securities Act of 1933, as amended. A preliminary prospectus supplement related to the offering was filed with the U.S. Securities and Exchange Commission on April 17, 2013. A final prospectus supplement related to the offering was filed with the U.S. Securities and Exchange Commission on April 18, 2013. Copies of the final prospectus supplement and accompanying prospectus relating to the offering may be obtained by contacting Cowen and Company, LLC c/o Broadridge Financial Services, 1155 Long Island Avenue, Edgewood, NY,11717, Attn: Prospectus Department, Phone: 631-274-2806, Fax: 631-254-7140; or from Craig-Hallum Capital Group LLC, 222 South Ninth Street, Suite 350, Minneapolis, MN 55402, by calling 612-334-6300, or by emailing [email protected]. An electronic copy of the final prospectus supplement and accompanying prospectus relating to the offering is available on the website of the U.S. Securities and Exchange Commission atwww.sec.gov.

This announcement shall not constitute an offer to sell or the solicitation of an offer to buy any securities, nor shall there be any offer or sale of these securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction.

Headquartered in The Woodlands, Texas, UniPixel, Inc. (NASDAQ: UNXL) delivers Performance Engineered Films to the Lighting, Display and Flexible Electronics markets. UniPixel's high-volume roll-to-roll or continuous flow manufacturing process offers high-fidelity replication of advanced micro-optic structures and surface characteristics over large areas. A key focus for UniPixel is developing electronic conductive films for use in electronic sensors for consumer and industrial applications. The company's newly developed UniBoss™ roll-to-roll electronics manufacturing process prints conductive elements on thin film with trace widths down to ~ 5um. The company is marketing its films for touch panel sensor, cover glass replacement, protective cover film, antenna and custom circuitry applications under the UniPixel label, and potentially under private label or Original Equipment Manufacturers (OEM) brands. UniPixel's brands include Clearly Superior™, Diamond Guard™ and others. For further information, visit www.unipixel.com.