DGAP-Ad-hoc: TubeSolar AG / Key word(s): Investment/Strategic Company 
Decision 
TubeSolar AG: Planned acquisition of stake in US company Ascent Solar 
Technologies, Inc. secures long-term access to solar thin film technology 
 
04-Jan-2021 / 13:08 CET/CEST 
Disclosure of an inside information acc. to Article 17 MAR of the Regulation 
(EU) No 596/2014, transmitted by DGAP - a service of EQS Group AG. 
The issuer is solely responsible for the content of this announcement. 
 
*TubeSolar AG: Planned acquisition of stake in US company Ascent Solar 
Technologies, Inc. secures long-term access to solar thin film technology* 
 
Augsburg, January 4, 2021: TubeSolar AG (ISIN DE000A2PXQD4, XETRA, primary 
market Düsseldorf, m:access) plans to acquire a strategic stake in Ascent 
Solar Technologies, Inc. (OTC market "AscentSolar", ticker symbol: ASTI). 
For the intended investment of 2.5 million US dollars TubeSolar AG will 
receive AscentSolar shares at a price of 0.0001 US dollars per share. Taking 
into account outstanding capital adjustments, TubeSolar AG would in the 
future hold approximately 15 percent of the share capital of Ascent Solar 
Technologies, Inc.. 
 
Through this planned step, TubeSolar AG is implementing its "second-source 
strategy" and tapping into another source of supply in addition to its 
existing European supplier for flexible copper indium gallium diselenide 
(CIGS) photovoltaic cells. 
 
The investment is to be financed from existing liquid funds. TubeSolar AG 
assumes that the contract will be signed in the short term. 
 
*About TubeSolar AG (www.tubesolar.de)* 
TubeSolar AG has taken over the laboratory production of OSRAM/LEDVANCE in 
Augsburg as a spin-off and acquired the patents from LEDVANCE and Dr. 
Vesselinka Petrova-Koch. TubeSolar AG has been using this patent-protected 
technology since 2019 to develop and manufacture photovoltaic thin-film 
tubes that are assembled into modules and whose properties enable additional 
application opportunities in solar power generation compared to conventional 
solar modules. The technology will be used primarily in the agricultural 
sector, spanning agricultural production areas. In the next few years, it is 
planned to expand production in Augsburg to an annual production capacity of 
250 MW. 
 
*About Ascent Solar Technologies, Inc. (www. ascentsolar.com) * 
 
Ascent Solar Technologies, Inc. is a developer of award-winning thin-film 
photovoltaic modules with substrate materials that are more flexible, 
versatile and robust than conventional solar modules. Ascent Solar's modules 
can be integrated directly into consumer products and off-grid applications, 
as well as aerospace and building-integrated applications. Ascent Solar is 
headquartered in Thornton, Colorado, USA. 
 
*Service* 
Website: www.tubesolar.de 
Contact Investor Relations: 
Maximilian Fischer, mailto: m.fischer@tubesolar.de 
max. equity marketing GmbH, Marienplatz 2, 80331 Munich, Germany, Tel.: +49 
89 13928890 
 
04-Jan-2021 CET/CEST The DGAP Distribution Services include Regulatory 
Announcements, Financial/Corporate News and Press Releases. 
Archive at www.dgap.de 
Language:    English 
Company:     TubeSolar AG 
             Berliner Allee 65 
             86153 Augsburg 
             Germany 
Phone:       +49 821 899 830 50 
E-mail:      ir@tubesolar.de 
Internet:    www.tubesolar.de 
ISIN:        DE000A2PXQD4 
WKN:         A2PXQD 
Listed:      Regulated Unofficial Market in Dusseldorf (Primärmarkt), 
             Frankfurt, Munich (m:access) 
EQS News ID: 1158240 
 
End of Announcement DGAP News Service 
 
1158240 04-Jan-2021 CET/CEST

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January 04, 2021 07:09 ET (12:09 GMT)