Updated Notice to Attend the Annual General Meeting of Heliospectra AB (publ) due to Updated Address for the Meeting

The shareholders of Heliospectra AB (publ), company reg. no 556695-2205, are hereby given notice to attend the Annual General Meeting to be held on Thursday, 14 June 2018 at 10 AM in United Spaces facilities on Östra Hamngatan 16, 411 09 Gothenburg. Registration for the annual general meeting begins at 9 AM.

The notice is otherwise unchanged and is available on Heliospectra’s website here. Full notice is also attached as an attachment.

Investor Relations:

Ali Ahmadian, CEO of Heliospectra | +46 (0)72 203 6344 | ir@heliospectra.com

Redeye is Heliospectra Certified Advisor for Nasdaq First North - www.redeye.se

http://www.heliospectra.com

About Heliospectra

Heliospectra AB (publ) (OTCQB: HLS, FIRST NORTH: HELIO) is the industry’s most proven intelligent lighting technology for greenhouse and controlled plant growth environments. With the vision to make commercial crop production more connected and resource-efficient, growers and commercial producers across six continents use Heliospectra holistic and flexible solutions to consistently increase yields while producing crops that achieve quality appearance, superior nutritional or medicinal value and longer shelf life, harvest after harvest. Founded in 2006 and winner of multiple international awards and recognitions, Heliospectra has raised more than $32 million in capital to date. As a publicly traded company, the majority ownership remains with some of Heliospectra earliest investors Weland Steel, Swedish Industrial Fund and Midroc New Technology. For more information, please visit https://www.heliospectra.com.

Forward-Looking Statements

The statements in this press release constitute forward-looking statements within the meaning of federal securities laws. Such statements are based on our current beliefs and expectations and are inherently subject to significant business, economic and competitive uncertainties and contingencies, many of which are beyond our control. In addition, such forward-looking statements are subject to assumptions with respect to future business strategies and decisions that are subject to change. Potential risks and uncertainties include, but are not limited to, technical advances in the industry as well as political and economic conditions present within the industry. We do not take any obligation to update any forward-looking statement to reflect events or developments after a forward-looking statement was made.

This information is information that Heliospectra AB (publ) is obliged to make public pursuant to the EU Market Abuse Regulation. The information was submitted for publication, through the agency of the contact person set out above, at 14.00 CEST / 8 AM EDT on May 25, 2018.

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About Us

Heliospectra AB is the industry’s most proven intelligent lighting technology for greenhouse and controlled plant growth environments. With the vision to make commercial crop production more connected and resource-efficient, growers and commercial producers across six continents use Heliospectra’s holistic and flexible solutions to consistently increase yields while producing crops that achieve quality appearance, superior nutritional or medicinal value and longer shelf life, harvest after harvest. Founded in 2006 and winner of multiple international awards and recognitions, Heliospectra has raised more than $32 million in capital to date. As a publicly traded company, the majority ownership remains with some of Heliospectra earliest investors Weland Steel, Midroc New Technology and Swedish Industrial Fund. For more information, please visit https://www.heliospectra.com.