The Management Board of Vortex Oil Engineering joint-stock company with its registered office in Warsaw, ul. Władysława Pytlasińskiego 10/12 lok. 14, 00-777 Warszawa, entered into the register of entrepreneurs of the National Court Register kept by the District Court for the Capital City of Warsaw in Warsaw, the XIII Commercial Division of the National Court Register under KRS number: 0000610699, REGON: 364128436, NIP: 5213728662 ("Company"), with share capital contributed and paid up in full, i.e. in the amount of PLN 284,640.00, acting on the basis of art. 16 of the Act of August 30, 2019 amending the Act - Code of Commercial Companies and certain other acts (Journal of Laws of 2019, item 1798, as amended) in connection with with art. 402 § 3 of the Commercial Companies Code, hereby calls on all shareholders of the Companyto submit the share documents held by the Shareholder, including collective vouchers and subscription warrants, utility certificates, certificates of incorporation or other income participation titles or division of the Company's assets in order to carry out the obligatory dematerialisation process.

Documents should be submitted on business days (Monday to Friday) from 9:00 am to 5:00 pm at the Company's seat: ul. Pytlasińskiego 10/12 lok. 14, 00-777 Warsaw or at a different time and place, after prior arrangement of individual terms of submitting the share documents with the Company's Management Board representative for the dematerialisation of shares - Mr. Martins Stirans; tel. +371 29206494, e-mail: ms@vortex-oil.com.

Documents may be submitted in person or by an authorized attorney after prior submission to the Company of the power of attorney in writing in the original or at least a certified copy.

The documents are submitted to the company against a written receipt issued to the Shareholder or the Shareholder's authorized proxy.

The binding force of the share documents issued by the company shall expire by operation of law on March 1, 2021. Entries in the register of shareholders take effect on the same date.

A share document retains probative force only in the range in which the shareholder demonstrates to the company that he is entitled to share rights for a period of five years from the date of entry into force of the Act of August 30, 2019 amending the Act - Code of Commercial Companies and certain other acts (Journal U. of 2019, item 1798, as amended), i.e. until March 1, 2026. Additional information on the process of dematerialisation of shares or the procedure for submitting share documents can be obtained from the representative of the Management Board of the Company for the dematerialisation of shares - Mr. Martins Stirans, tel. No. +371 29206494, e-mail: ms@vortex-oil.com.

Resolution No. 13 of the Extraordinary General Meeting of the Company of September 23, 2020 on the appointment of Dom Maklerski Navigator S.A. with its registered office in Warsaw as the entity keeping the register of the Company's shareholders and the regulations of the register of shareholders are available on the Company's website at https://www.vortex-oil.com and at the Company's headquarters.

The next call to submit share documents will be sent in the form of a registered letter or courier and simultaneously announced on the website https://www.vortex-oil.com on September 14 - September 30, 2020.

This call to submit is 1 out of 5.

The Management Board of Vortex Oil Engineering joint-stock company with its registered office in Warsaw, ul. Władysława Pytlasińskiego 10/12 lok. 14, 00-777 Warszawa, entered into the register of entrepreneurs of the National Court Register kept by the District Court for the Capital City of Warsaw in Warsaw, the XIII Commercial Division of the National Court Register under KRS number: 0000610699, REGON: 364128436, NIP: 5213728662 ("Company"), with share capital contributed and paid up in full, i.e. in the amount of PLN 284,640.00, acting on the basis of art. 16 of the Act of August 30, 2019 amending the Act - Code of Commercial Companies and certain other acts (Journal of Laws of 2019, item 1798, as amended) in connection with with art. 402 § 3 of the Commercial Companies Code, hereby calls on all shareholders of the Companyto submit the share documents held by the Shareholder, including collective vouchers and subscription warrants, utility certificates, certificates of incorporation or other income participation titles or division of the Company's assets in order to carry out the obligatory dematerialisation process.

Documents should be submitted on business days (Monday to Friday) from 9:00 am to 5:00 pm at the Company's seat: ul. Pytlasińskiego 10/12 lok. 14, 00-777 Warsaw or at a different time and place, after prior arrangement of individual terms of submitting the share documents with the Company's Management Board representative for the dematerialisation of shares - Mr. Martins Stirans; tel. +371 29206494, e-mail: ms@vortex-oil.com.

Documents may be submitted in person or by an authorized attorney after prior submission to the Company of the power of attorney in writing in the original or at least a certified copy.

The documents are submitted to the company against a written receipt issued to the Shareholder or the Shareholder's authorized proxy.

The binding force of the share documents issued by the company shall expire by operation of law on March 1, 2021. Entries in the register of shareholders take effect on the same date.

A share document retains probative force only in the range in which the shareholder demonstrates to the company that he is entitled to share rights for a period of five years from the date of entry into force of the Act of August 30, 2019 amending the Act - Code of Commercial Companies and certain other acts (Journal U. of 2019, item 1798, as amended), i.e. until March 1, 2026.

Additional information on the process of dematerialisation of shares or the procedure for submitting share documents can be obtained from the representative of the Management Board of the Company for the dematerialisation of shares - Mr. Martins Stirans, tel. No. +371 29206494, e-mail: ms@vortex-oil.com.

Resolution No. 13 of the Extraordinary General Meeting of the Company of September 23, 2020 on the appointment of Dom Maklerski Navigator S.A. with its registered office in Warsaw as the entity keeping the register of the Company's shareholders and the regulations of the register of shareholders are available on the Company's website at https://www.vortex-oil.com and at the Company's headquarters.

The next call to submit share documents will be sent in the form of a registered letter or courier and simultaneously announced on the website https://www.vortex-oil.com on November 14 – November 30, 2020.

This call to submit is 2 out of 5.

The Management Board of Vortex Oil Engineering joint-stock company with its registered office in Warsaw, ul. Władysława Pytlasińskiego 10/12 lok. 14, 00-777 Warszawa, entered into the register of entrepreneurs of the National Court Register kept by the District Court for the Capital City of Warsaw in Warsaw, the XIII Commercial Division of the National Court Register under KRS number: 0000610699, REGON: 364128436, NIP: 5213728662 ("Company"), with share capital contributed and paid up in full, i.e. in the amount of PLN 284,640.00, acting on the basis of art. 16 of the Act of August 30, 2019 amending the Act - Code of Commercial Companies and certain other acts (Journal of Laws of 2019, item 1798, as amended) in connection with with art. 402 § 3 of the Commercial Companies Code, hereby calls on all shareholders of the Companyto submit the share documents held by the Shareholder, including collective vouchers and subscription warrants, utility certificates, certificates of incorporation or other income participation titles or division of the Company's assets in order to carry out the obligatory dematerialisation process.

Documents should be submitted on business days (Monday to Friday) from 9:00 am to 5:00 pm at the Company's seat: ul. Pytlasińskiego 10/12 lok. 14, 00-777 Warsaw or at a different time and place, after prior arrangement of individual terms of submitting the share documents with the Company's Management Board representative for the dematerialisation of shares - Mr. Martins Stirans; tel. +371 29206494, e-mail: ms@vortex-oil.com.

Documents may be submitted in person or by an authorized attorney after prior submission to the Company of the power of attorney in writing in the original or at least a certified copy.

The documents are submitted to the company against a written receipt issued to the Shareholder or the Shareholder's authorized proxy.

The binding force of the share documents issued by the company shall expire by operation of law on March 1, 2021. Entries in the register of shareholders take effect on the same date.

A share document retains probative force only in the range in which the shareholder demonstrates to the company that he is entitled to share rights for a period of five years from the date of entry into force of the Act of August 30, 2019 amending the Act - Code of Commercial Companies and certain other acts (Journal U. of 2019, item 1798, as amended), i.e. until March 1, 2026.

Additional information on the process of dematerialisation of shares or the procedure for submitting share documents can be obtained from the representative of the Management Board of the Company for the dematerialisation of shares - Mr. Martins Stirans, tel. No. +371 29206494, ms@vortex-oil.com.

Resolution No. 13 of the Extraordinary General Meeting of the Company of September 23, 2020 on the appointment of Dom Maklerski Navigator S.A. with its registered office in Warsaw as the entity keeping the register of the Company's shareholders and the regulations of the register of shareholders are available on the Company's website at https://www.vortex-oil.com and at the Company's headquarters.

The next call to submit share documents will be sent in the form of a registered letter or courier and simultaneously announced on the website https://www.vortex-oil.com on December 14 – December 30, 2020.

This call to submit is 3 out of 5.

The Management Board of Vortex Oil Engineering joint-stock company with its registered office in Warsaw, ul. Władysława Pytlasińskiego 10/12 lok. 14, 00-777 Warszawa, entered into the register of entrepreneurs of the National Court Register kept by the District Court for the Capital City of Warsaw in Warsaw, the XIII Commercial Division of the National Court Register under KRS number: 0000610699, REGON: 364128436, NIP: 5213728662 ("Company"), with share capital contributed and paid up in full, i.e. in the amount of PLN 284,640.00, acting on the basis of art. 16 of the Act of August 30, 2019 amending the Act - Code of Commercial Companies and certain other acts (Journal of Laws of 2019, item 1798, as amended) in connection with with art. 402 § 3 of the Commercial Companies Code, hereby calls on all shareholders of the Companyto submit the share documents held by the Shareholder, including collective vouchers and subscription warrants, utility certificates, certificates of incorporation or other income participation titles or division of the Company's assets in order to carry out the obligatory dematerialisation process.

Documents should be submitted on business days (Monday to Friday) from 9:00 am to 5:00 pm at the Company's seat: ul. Pytlasińskiego 10/12 lok. 14, 00-777 Warsaw or at a different time and place, after prior arrangement of individual terms of submitting the share documents with the Company's Management Board representative for the dematerialisation of shares - Mr. Martins Stirans; tel. +371 29206494, e-mail: ms@vortex-oil.com.

Documents may be submitted in person or by an authorized attorney after prior submission to the Company of the power of attorney in writing in the original or at least a certified copy.

The documents are submitted to the company against a written receipt issued to the Shareholder or the Shareholder's authorized proxy.

The binding force of the share documents issued by the company shall expire by operation of law on March 1, 2021. Entries in the register of shareholders take effect on the same date.

A share document retains probative force only in the range in which the shareholder demonstrates to the company that he is entitled to share rights for a period of five years from the date of entry into force of the Act of August 30, 2019 amending the Act - Code of Commercial Companies and certain other acts (Journal U. of 2019, item 1798, as amended), i.e. until March 1, 2026.

Additional information on the process of dematerialisation of shares or the procedure for submitting share documents can be obtained from the representative of the Management Board of the Company for the dematerialisation of shares - Mr. Martins Stirans, tel. No. +371 29206494, e-mail: ms@vortex-oil.com.

Resolution No. 13 of the Extraordinary General Meeting of the Company of September 23, 2020 on the appointment of Dom Maklerski Navigator S.A. with its registered office in Warsaw as the entity keeping the register of the Company's shareholders and the regulations of the register of shareholders are available on the Company's website at https://www.vortex-oil.com and at the Company's headquarters.

The next call to submit share documents will be sent in the form of a registered letter or courier and simultaneously announced on the website https://www.vortex-oil.com on January 14 – January 30, 2021.

This call to submit is 4 out of 5.