Common use of PURCHASE PRICE, INVOICING, PAYMENTS Clause in Contracts

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s submitted bid and amounts to 21.995,- EUR (in words: twenty-one thousand nine hundred ninety-five Euros) excluding VAT (hereinafter the “Price”). VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the delivery, and including all other costs or expenses that may arise in connection with creation of an intellectual property and its protection. 5.3 The Seller is entitled to invoice the Price after the acceptance protocol in accordance with Section 10.5 will have been signed. In case the Equipment will be delivered with minor defects, the Price shall be invoiced after removal of these minor defects. 5.4 All invoices issued by the Seller must contain all information required by the applicable laws of the Czech Republic. Invoices issued by the Seller in accordance with this Contract shall contain in particular following information: 5.4.1 name and registered office of the Buyer, 5.4.2 tax identification number of the Buyer, 5.4.3 name and registered office of the Seller, 5.4.4 tax identification number of the Seller, 5.4.5 registration number of the tax document (invoice), 5.4.6 scope of the performance (including the reference to this Contract), 5.4.7 the date of the issue of the tax document (invoice), 5.4.8 the date of the conclusion of the Contract, 5.4.9 purchase Price, 5.4.10 registration number of this Contract, which the Buyer shall communicate to the Seller based on Seller’s request before the issuance of the invoice and must comply with the double taxation agreements, if applicable. 5.5 The Buyer prefers electronic invoicing, with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international double taxation agreements, if applicable. 5.6 Invoices shall be payable within thirty (30) days of the date of their delivery to the Buyer. Payment of the invoiced amount means the date of its remittance to the Seller’s account. 5.7 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected invoice with a new and identical maturity period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 The Buyer shall be entitled to unilaterally set off any of his payments against any receivables claimed by the Seller due to: 5.8.1 damages caused by the Seller,

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s submitted bid and amounts to 21.995,- EUR 94,330.00 USD (in words: twentyNinety-one four thousand nine three hundred ninety-five Eurosand thirty US Dollars) excluding VAT (hereinafter the “Price”). VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the delivery, and including all other costs or of expenses that may arise in connection with creation of an intellectual property and its protection. 5.3 The Parties agreed that the Seller shall be entitled to invoice the Price as follows: 5.3.1 The Seller shall issue an advance invoice corresponding to 50 % of the Price excluding VAT after the conclusion of the Contract. 5.3.2 The Seller shall issue a second advance invoice corresponding to 40 % of the Price excluding VAT when the Equipment is ready to be shipped. Attached to the invoice will be a proof of readiness of the complete Equipment for shipment. 5.3.3 The Seller is entitled to invoice the Price after the acceptance protocol in accordance with Section 10.5 9.5 will have been signedsigned or 45 days after delivery of the Equipment, whichever comes first. In case the Equipment will be delivered with minor defects, the Price shall be invoiced after removal of these minor defects. 5.4 All invoices issued by the Seller must contain all information required by the applicable laws of the Czech Republic. Invoices issued by the Seller in accordance with this Contract shall contain in particular following information: 5.4.1 name and registered office of the Buyer, 5.4.2 tax identification number of the Buyer, 5.4.3 name and registered office of the Seller, 5.4.4 tax identification number of the Seller, 5.4.5 registration number of the tax document (invoice), 5.4.6 scope of the performance (including the reference to this Contract), 5.4.7 the date of the issue of the tax document (invoice), 5.4.8 the date of the conclusion fulfilment of the Contract, 5.4.9 purchase Price, 5.4.10 registration number of this Contract, which the Buyer shall communicate to the Seller based on Seller’s request before the issuance of the invoice invoice, 5.4.11 declaration that the performance of the Contract is for the purposes of the project “Solid state physics for the 21st century (Solid 21)”, Reg. No. CZ.02.1.01/0.0/0.0/16_019/0000760 and must comply with the double taxation agreements, if applicable. 5.5 The Buyer prefers electronic invoicing, with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international double taxation agreements, if applicable. 5.6 Invoices shall be payable within thirty (30) days of the date of their delivery to the Buyer. Payment of the invoiced amount means the date of its remittance to the Seller’s account. 5.7 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected invoice with a new and identical maturity period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 The Buyer shall be entitled to unilaterally set off any of his payments against any receivables claimed by the Seller due to: 5.8.1 damages caused by the Seller,

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s submitted bid and amounts to 21.995,- EUR 85877.00 EURO (in words: twenty-one thousand nine hundred ninetyeighty-five Eurosthousand eight hundred seventy-seven EUROs) excluding VAT (hereinafter the “Price”). . 5.2 VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 5.3 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the delivery, installation and including all other costs or expenses that may arise in connection with creation testing of an intellectual property and its protectionthe Equipment upon handover. 5.3 5.4 The Seller is entitled to invoice Parties agreed that the Price shall be invoiced after the acceptance handover protocol in accordance with Section 10.5 8.3 will have been signed. In case the Equipment will be delivered with minor defectsdefects and / or unfinished work in accordance with Section 8.6, the Price shall be invoiced after removal of these minor defectsdefects and / or unfinished work. 5.4 All invoices 5.5 The invoice issued by the Seller as a tax document must contain all information required by the applicable laws of the Czech RepublicRepublic (esp. Invoices issued all requirements by the Seller Act No. 235/2004 Coll., on value added tax, as amended) and, in accordance with this Contract shall addition, they must contain in particular following information: 5.4.1 name and registered office of the Buyer, 5.4.2 tax identification number of the Buyer, 5.4.3 name and registered office of the Seller, 5.4.4 tax identification number of the Seller, 5.4.5 registration number of the tax document (invoice), 5.4.6 scope of the performance (including the reference to this Contract), 5.4.7 the date of the issue of the tax document (invoice), 5.4.8 the date of the conclusion of the Contract, 5.4.9 purchase Price, 5.4.10 registration number of this Contract, which Contract and state that the Buyer shall communicate to Equipment is supplied for the Seller based on Seller’s request before the issuance purposes of the invoice and must comply Project with the double taxation agreements, if applicableits registration number. 5.5 5.6 The Buyer prefers electronic invoicing, with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international double taxation agreements, if applicable. 5.6 5.7 Invoices shall be payable within thirty (30) days of the date of their delivery to the Buyerabove address. Payment of the invoiced amount means the date of its remittance to the Seller’s account. 5.7 5.8 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected invoice with a new and identical maturity period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 5.9 The Buyer shall be entitled to unilaterally set off any of his their payments against any receivables claimed by the Seller due to: 5.8.1 5.9.1 damages caused by the Seller,

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s submitted bid and amounts to 21.995,- EUR 31.955,00 EURO (in words: twentythirty-one thousand nine hundred ninety-fifty five EurosEURO) excluding VAT (hereinafter the “Price”). . 5.2 VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 5.3 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the delivery, installation and handover, and including all other costs or of expenses that may arise in connection with creation of an intellectual property and its protection. 5.3 5.4 The Seller is entitled to invoice Parties agreed that the Price shall be invoiced after the acceptance handover protocol in accordance with Section 10.5 8.4 will have been signed. In case the Equipment will be delivered with minor defectsdefects and / or unfinished work, the Price shall be invoiced after removal of these minor defectsdefects and / or unfinished work. 5.4 All invoices 5.5 The invoice issued by the Seller as a tax document must contain all information required by the applicable laws of the Czech Republic. Invoices issued by the Seller in accordance with this Contract shall contain in particular following information: 5.4.1 5.5.1 name and registered office of the Buyer, 5.4.2 5.5.2 tax identification number of the Buyer, 5.4.3 5.5.3 name and registered office of the Seller, 5.4.4 5.5.4 tax identification number of the Seller, 5.4.5 5.5.5 registration number of the tax document (invoice)document, 5.4.6 5.5.6 scope of the performance (including the reference to this Contract), 5.4.7 5.5.7 the date of the issue of the tax document (invoice)document, 5.4.8 5.5.8 the date of the conclusion fulfilment of the Contract, 5.4.9 5.5.9 purchase Price, 5.4.10 5.5.10 registration number of this Contract, which the Buyer shall communicate to the Seller based on Seller’s request before the issuance of the invoice invoice, and must comply with the double taxation agreements, if applicable. 5.5 5.6 The Buyer prefers electronic invoicing, with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international double taxation agreements, if applicable. 5.6 5.7 Invoices shall be payable within thirty (30) days of the date of their delivery to the Buyer. Payment of the invoiced amount means the date of its remittance to the Seller’s account. 5.7 5.8 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected invoice with a new and identical maturity period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 5.9 The Buyer shall be entitled to unilaterally set off any of his payments against any receivables claimed by the Seller due to: 5.8.1 5.9.1 damages caused by the Seller,

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s submitted bid and amounts to 21.995,- 77.650,00 EUR (in words: twentyseventy-one seven thousand nine six hundred ninety-five Eurosfifty Euro) excluding VAT (hereinafter the “Price”). VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the delivery, and including all other costs or of expenses that may arise in connection with creation of an intellectual property and its protection. 5.3 The Seller is entitled to invoice the Price after the acceptance protocol in accordance with Section 10.5 will have been signed. In case the Equipment will be delivered with minor defects, Parties agreed that the Price shall be invoiced after removal of these minor defectsthe handover protocol in accordance with Section 10.4 will have been signed. 5.4 All invoices issued by the Seller must contain all information required by the applicable laws of the Czech Republic. Invoices issued by the Seller in accordance with this Contract shall contain in particular following information: 5.4.1 name and registered office of the Buyer, 5.4.2 tax identification number of the Buyer, 5.4.3 name and registered office of the Seller, 5.4.4 tax identification number of the Seller, 5.4.5 registration number of the tax document (invoice), 5.4.6 scope of the performance (including the reference to this Contract), 5.4.7 the date of the issue of the tax document (invoice), 5.4.8 the date of the conclusion fulfilment of the Contract, 5.4.9 purchase Price, 5.4.10 registration number of this Contract, which the Buyer shall communicate to the Seller based on Seller’s request before the issuance of the invoice and must comply with the double taxation agreements, if applicable. 5.5 The Buyer prefers electronic invoicing, with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international double taxation agreements, if applicable. 5.6 Invoices shall be payable within thirty (30) days of the date of their delivery to the Buyer. Payment of the invoiced amount means the date of its remittance to the Seller’s account. 5.7 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected invoice with a new and identical maturity period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 The Buyer shall be entitled to unilaterally set off any of his payments against any receivables claimed by the Seller due to: 5.8.1 damages caused by the Seller,

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s 's submitted bid and amounts amount to 21.995,- EUR 7 850 000,00 CZK (in words: twenty-one seven million eight hundred fifty thousand nine hundred ninety-five EurosCzech crowns) excluding VAT (hereinafter the “"Price”"). VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s 's requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the delivery, installation and handover, and including all other costs or of expenses that may arise in connection with creation of an intellectual property creation and its protection. 5.3 The Seller is entitled to invoice the Price after the acceptance protocol in accordance with Section 10.5 will have been signed. In case the Equipment will be delivered with minor defects, Parties agreed that the Price shall be invoiced after removal of these minor defects.the handover protocol (hereinafter the 5.4 All invoices issued by the Seller must contain all information required by the applicable laws of the Czech Republic. Invoices issued by the Seller in accordance with this Contract hereunder shall contain in particular following information: 5.4.1 name all the requirements stipulated by Act No. 235/2004 Coll., on Value Added Tax, as amended, and registered office of the Buyer, 5.4.2 tax identification number of the Buyer, 5.4.3 name and registered office of the Seller, 5.4.4 tax identification number of the Seller, 5.4.5 registration number of the tax document (invoice), 5.4.6 scope of the performance (including the reference to this Contract), 5.4.7 the date of the issue of the tax document (invoice), 5.4.8 the date of the conclusion of the Contract, 5.4.9 purchase Price, 5.4.10 registration number of this Contract, which the Buyer shall communicate to the Seller based on Seller’s request before the issuance of the invoice and must comply with the double taxation agreements, if applicableContract number. 5.5 The Buyer prefers electronic invoicing, with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international treaties prohibiting double taxation agreementstaxation, if applicable. 5.6 Invoices shall be payable within thirty (30) days of the date of their delivery to the Buyer. Payment of the invoiced amount means the date of its remittance to the Seller’s 's account. 5.7 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected invoice with a new and identical maturity period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 The Buyer shall be entitled to unilaterally set off any of his payments against any receivables claimed by the Seller any of its payment due to: *** * ** EUROPEAN UNION European Structural and Investment Funds Operational Programme Research, Development and Education MINISTRY OF EDUCATION, YCUTH ..: ,rJD SPORTS 5.8.1 damages caused by the Seller,

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s submitted bid and amounts to 21.995,- EUR € 308,407 (in words: twenty-one thousand nine hundred ninety-five Three Hundred Eight Thousand Four Hundred Seven Euros) excluding VAT (hereinafter the “Price”). VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the delivery, and including all other costs or of expenses that may arise in connection with creation of an intellectual property and its protection. 5.3 The Parties agreed that the Seller shall be entitled to invoice the Price as follows: 5.3.1 The Seller is entitled to issue an advance invoice corresponding to 30 % of the Price excluding VAT after the conclusion of the Contract; 5.3.2 The Seller is entitled to invoice the Price after the acceptance handover protocol in accordance with Section 10.5 10.4 will have been signed. In case the Equipment will be delivered with minor defectsdefects and / or unfinished work, the Price shall be invoiced after removal of these minor defectsdefects and / or unfinished work. 5.4 All invoices issued by the Seller must contain all information required by the applicable laws of the Czech Republic. Invoices issued by the Seller in accordance with this Contract shall contain in particular following information: 5.4.1 name and registered office of the Buyer, 5.4.2 tax identification number of the Buyer, 5.4.3 name and registered office of the Seller, 5.4.4 tax identification number of the Seller, 5.4.5 registration number of the tax document (invoice), 5.4.6 scope of the performance (including the reference to this Contract), 5.4.7 the date of the issue of the tax document (invoice), 5.4.8 the date of the conclusion fulfilment of the Contract, 5.4.9 purchase Price, 5.4.10 registration number of this Contract, which the Buyer shall communicate to the Seller based on Seller’s request before the issuance of the invoice invoice, 5.4.11 declaration that the performance of the Contract is for the purposes of the project “Solid state physics for the 21st century (SOLID21)”, Reg. No. CZ.02.1.01/0.0/0.0/16_019/0000760 and must comply with the double taxation agreements, if applicable. 5.5 The Buyer prefers electronic invoicing, with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international double taxation agreements, if applicable. 5.6 Invoices shall be payable within thirty (30) days of the date of their delivery to the Buyer. Payment of the invoiced amount means the date of its remittance to the Seller’s account. 5.7 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected invoice with a new and identical maturity period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 The Buyer shall be entitled to unilaterally set off any of his payments against any receivables claimed by the Seller due to: 5.8.1 damages caused by the Seller,

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s submitted bid and amounts to 21.995,- EUR 930,000.oo € (in words: twentynine-one thousand nine hundred ninetyhundred-five Eurosthirty-thousand) excluding VAT (hereinafter the “Price”). VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the delivery, installation and handover, and including all other costs or of expenses that may arise in connection with creation of an intellectual property creation and its protection. 5.3 The Parties agreed that the Seller is shall be entitled to invoice the Price as follows: 5.3.1 The first part corresponding to 40 % of the total Price in the amount of 372,000.oo € excl. VAT after the acceptance conclusion hereof. 5.3.2 The second part corresponding to 50 % of the total Price in the amount of 465,000.oo € excl. VAT after the demonstration the Equipment’s functionality at the manufacturer`s facilities based on a signed protocol of the successful demonstration. 5.3.3 The third part corresponding to 10 % of the total Price in the amount of 93,000.oo € excl. VAT after Handover protocol in accordance with Section 10.5 12.4 will have been signedsigned between the Parties. In case the Equipment will be delivered handed over with minor defectsdefects and / or unfinished work, the Price shall will be invoiced after removal of these minor defectsdefects and / or unfinished work. 5.4 All invoices The invoice issued by the Seller as a tax document must contain all information required by the applicable laws of the Czech Republic. Invoices issued by the Seller in accordance with this Contract shall contain in particular following information: 5.4.1 name and registered office of the Buyer, 5.4.2 tax identification number of the Buyer, 5.4.3 name and registered office of the Seller, 5.4.4 tax identification number of the Seller, 5.4.5 registration number of the tax document (invoice)document, 5.4.6 scope of the performance (including the reference to this Contract), 5.4.7 the date of the issue of the tax document (invoice)document, 5.4.8 the date of the conclusion fulfilment of the Contract, 5.4.9 purchase Price, 5.4.10 registration number of this Contract, which the Buyer shall communicate to the Seller based on Seller’s request before the issuance of the invoice invoice, 5.4.11 declaration that the performance of the Contract is for the purposes of the project “LNSM – Laboratory of Spintronics”, Reg. No. CZ.02.1.01/0.0/0.0/16_013/0001405 and must comply with the double taxation tax avoidance agreements, if applicable. 5.5 The Buyer prefers electronic invoicing, with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international treaties prohibiting double taxation agreementstaxation, if applicable. 5.6 Invoices shall be payable within thirty (30) days of the date of their delivery to the Buyer. Payment of the invoiced amount means the date of its remittance to the Seller’s account. 5.7 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected invoice with a new and identical maturity period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 The Buyer shall be entitled to unilaterally set off any of his its payments against any receivables claimed by the Seller due to: 5.8.1 damages caused by the Seller,

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s submitted bid and amounts to 21.995,- EUR 35.575,00 € (in words: twenty-one thirty five thousand nine and five hundred ninety-seventy five Euros) excluding VAT (hereinafter the “Price”). VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the testing and delivery, and including all other costs or of expenses that may arise in connection with creation of an intellectual property creation and its protection. 5.3 The Seller is entitled to invoice Parties agreed that the Price shall be invoiced after the acceptance protocol in accordance with Section 10.5 will have been signed. In case the Equipment will be delivered with minor defectsdefects and / or unfinished work, the Price shall will be invoiced after removal of these minor defectsdefects and / or unfinished work. 5.4 All invoices The invoice issued by the Seller as a tax document must contain all information required by the applicable laws of the Czech Republic. Invoices issued by the Seller in accordance with this Contract shall contain in particular following information: 5.4.1 name and registered office of the Buyer, 5.4.2 tax identification number of the Buyer, 5.4.3 name and registered office of the Seller, 5.4.4 tax identification number of the Seller, 5.4.5 registration number of the tax document (invoice)document, 5.4.6 scope of the performance (including the reference to this Contract), 5.4.7 the date of the issue of the tax document (invoice)document, 5.4.8 the date of the conclusion fulfilment of the Contract, 5.4.9 purchase Price, 5.4.10 registration number of this Contract, which the Buyer shall communicate to the Seller based on Seller’s request before the issuance of the invoice and must comply with the double taxation agreements, if applicable. 5.5 The Buyer prefers electronic invoicing, with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international double taxation agreements, if applicable. 5.6 Invoices shall be payable within thirty (30) days of the date of their delivery to the Buyer. Payment of the invoiced amount means the date of its remittance to the Seller’s account. 5.7 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected invoice with a new and identical maturity period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 The Buyer shall be entitled to unilaterally set off any of his payments against any receivables claimed by the Seller due to: 5.8.1 damages caused by the Seller,

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s submitted bid and amounts to 21.995,- EUR 202.000,- USD (in words: twentytwo-one hundred-and-two-thousand nine hundred ninety-five EurosUS Dollars) excluding VAT (hereinafter the “Price”). VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the delivery, installation and handover, and including all other costs or of expenses that may arise in connection with creation of an intellectual property and its protection. 5.3 The Seller is entitled to invoice Parties agreed that the Price shall be invoiced after the acceptance handover protocol in accordance with Section 10.5 9.4 will have been signed. In case the Equipment will be delivered with minor defectsdefects and / or unfinished work, the Price shall be invoiced after removal of these minor defectsdefects and / or unfinished work. 5.4 All invoices The invoice issued by the Seller as a tax document must contain all information required by the applicable laws of the Czech Republic. Invoices issued by the Seller in accordance with this Contract shall contain in particular following information: 5.4.1 name and registered office of the Buyer, 5.4.2 tax identification number of the Buyer, 5.4.3 name and registered office of the Seller, 5.4.4 tax identification number of the Seller, 5.4.5 registration number of the tax document (invoice)document, 5.4.6 scope of the performance (including the reference to this Contract), 5.4.7 the date of the issue of the tax document (invoice)document, 5.4.8 the date of the conclusion fulfilment of the Contract, 5.4.9 purchase Price, 5.4.10 registration number of this Contract, which the Buyer shall communicate to the Seller based on Seller’s request before the issuance of the invoice invoice, and must comply with the double taxation agreements, if applicable. 5.5 The Buyer prefers electronic invoicing, with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international double taxation agreements, if applicable. 5.6 Invoices shall be payable within thirty (30) days of the date of their delivery to the Buyer. Payment of the invoiced amount means the date of its remittance to the Seller’s account. 5.7 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected invoice with a new and identical maturity period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 The Buyer shall be entitled to unilaterally set off any of his payments against any receivables claimed by the Seller due to: 5.8.1 damages caused by the Seller,

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s submitted bid and amounts amount to 21.995,- EUR 15.368,- € (in words: twenty--one- five-one thousand nine hundred ninetythree-five Eurossix-eight- Euros and 00 Cents) excluding VAT (hereinafter the “Price”). VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the delivery, delivery and installation and including all other costs or of expenses that may arise in connection with creation of an intellectual property and its protection. 5.3 The Seller is entitled to invoice Parties agreed that the Price shall be invoiced after the acceptance handover protocol in accordance with Section 10.5 8.4 will have been signed. In case the Equipment will be delivered with minor defectsdefects and / or unfinished work, the Price shall will be invoiced after removal of these minor defectsdefects and / or unfinished work. 5.4 All invoices The invoice issued by the Seller as a tax document must contain all information required by the applicable laws of the Czech Republic. Invoices issued by the Seller in accordance with this Contract shall contain in particular following information: 5.4.1 name and registered office of the Buyer, 5.4.2 tax identification number of the Buyer, 5.4.3 name and registered office of the Seller, 5.4.4 tax identification number of the Seller, 5.4.5 registration number of the tax document (invoice)document, 5.4.6 scope of the performance (including the reference to this Contract), 5.4.7 the date of the issue of the tax document (invoice)document, 5.4.8 the date of the conclusion fulfilment of the Contract, 5.4.9 purchase Price, 5.4.10 registration number of this Contract, which the Buyer shall communicate to the Seller based on Seller’s request before the issuance of the invoice invoice, and must comply with the double taxation tax avoidance agreements, if applicable. 5.5 The Buyer prefers electronic invoicing, with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international treaties prohibiting double taxation agreementstaxation, if applicable. 5.6 Invoices shall be payable within thirty (30) days of the date of their delivery to the Buyer. Payment of the invoiced amount means the date of its remittance to the Seller’s account. 5.7 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected invoice with a new and identical maturity period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 The Buyer shall be entitled to unilaterally set off any of his payments against any receivables claimed by the Seller due to: 5.8.1 damages caused by the Seller,

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s submitted bid and amounts to 21.995,- EUR 167.160,00 € (in words: twentyOne hundred sixty-seven thousand one thousand nine hundred ninety-five Eurossixty EURO) excluding VAT (hereinafter the “Price”). VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the delivery, installation and handover, and including all other costs or of expenses that may arise in connection with creation of an intellectual property and its protection. 5.3 The Seller is entitled to invoice Parties agreed that the Price shall be invoiced after the acceptance handover protocol in accordance with Section 10.5 10.4 will have been signed. In case the Equipment will be delivered with minor defectsdefects and / or unfinished work, the Price shall be invoiced after removal of these minor defectsdefects and / or unfinished work. 5.4 All invoices The invoice issued by the Seller as a tax document must contain all information required by the applicable laws of the Czech Republic. Invoices issued by the Seller in accordance with this Contract shall contain in particular following information: 5.4.1 name and registered office of the Buyer, 5.4.2 tax identification number of the Buyer, 5.4.3 name and registered office of the Seller, 5.4.4 tax identification number of the Seller, 5.4.5 registration number of the tax document (invoice)document, 5.4.6 scope of the performance (including the reference to this Contract), 5.4.7 the date of the issue of the tax document (invoice)document, 5.4.8 the date of the conclusion fulfilment of the Contract, 5.4.9 purchase Price, 5.4.10 registration number of this Contract, which the Buyer shall communicate to the Seller based on Seller’s request before the issuance of the invoice invoice, and must comply with the double taxation agreements, if applicable. 5.5 The Buyer prefers electronic invoicing, with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international double taxation agreements, if applicable. 5.6 Invoices shall be payable within thirty (30) days of the date of their delivery to the Buyer. Payment of the invoiced amount means the date of its remittance to the Seller’s account. 5.7 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected invoice with a new and identical maturity period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 The Buyer shall be entitled to unilaterally set off any of his payments against any receivables claimed by the Seller due to: 5.8.1 damages caused by the Seller,

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s submitted bid and amounts to 21.995,- EUR 13 219 000,- CZK (in words: twenty-one thousand nine hundred ninety-five Eurostřináct milionů dvě stě devatenáct tisíc korun českých) excluding VAT (hereinafter the “Price”). VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the delivery, and including all other costs or of expenses that may arise in connection with creation of an intellectual property and its protection. 5.3 The Parties agreed that the Seller shall be entitled to invoice the Price as follows: 5.3.1 The Seller is entitled to issue the first advance invoice corresponding to 30 % of the Price excluding VAT after the conclusion of the Contract; 5.3.2 The Seller is entitled to issue the second advance invoice corresponding to 60 % of the Price excluding VAT when the Equipment is delivered to the place of performance. 5.3.3 The Seller is entitled to invoice the Price after the acceptance handover protocol in accordance with Section 10.5 10.4 will have been signed. In case the Equipment will be delivered with minor defectsdefects and / or unfinished work, the Price shall be invoiced after removal of these minor defectsdefects and / or unfinished work. 5.4 All invoices issued by the Seller must contain all information required by the applicable laws of the Czech Republic. Invoices issued by the Seller in accordance with this Contract shall contain in particular following information: 5.4.1 name and registered office of the Buyer, 5.4.2 tax identification number of the Buyer, 5.4.3 name and registered office of the Seller, 5.4.4 tax identification number of the Seller, 5.4.5 registration number of the tax document (invoice), 5.4.6 scope of the performance (including the reference to this Contract), 5.4.7 the date of the issue of the tax document (invoice), 5.4.8 the date of the conclusion fulfilment of the Contract, 5.4.9 purchase Price, 5.4.10 registration number of this Contract, which the Buyer shall communicate to the Seller based on Seller’s request before the issuance of the invoice invoice, 5.4.11 declaration that the performance of the Contract is for the purposes of the project “Solid state physics for the 21st century (SOLID21)”, Reg. No. CZ.02.1.01/0.0/0.0/16_019/0000760 and must comply with the double taxation agreements, if applicable. 5.5 The Buyer prefers electronic invoicing, with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international double taxation doubletaxation agreements, if applicable. 5.6 Invoices shall be payable within thirty (30) days of the date of their delivery to the Buyer. Payment of the invoiced amount means the date of its remittance to the Seller’s account. 5.7 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected invoice with a new and identical maturity period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 The Buyer shall be entitled to unilaterally set off any of his payments against any receivables claimed by the Seller due to: 5.8.1 damages caused by the Seller,

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s submitted bid and amounts to 21.995,- EUR 1,462,089.00 CZK (in words: twentyOne Million Four Hundred Sixty-one thousand nine hundred ninetyTwo Thousand Eighty-five EurosNine Czech Korunas) excluding VAT (hereinafter hereafter the “Price”). VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the delivery, installation and testing of the Equipment upon handover, and including all other costs or expenses that may arise in connection with creation the performance of an intellectual property and its protectionthe Contract. 5.3 The Seller is entitled to invoice the Price after the acceptance handover protocol in accordance with Section 10.5 9.4 (hereafter the “Handover Protocol”) will have been signed. In case the Equipment will be delivered with minor defects, the Price shall be invoiced after removal of these minor defects. 5.4 All invoices issued by the Seller must contain all information required by the applicable laws of the Czech Republic. Invoices issued by the Seller in accordance with this Contract shall contain in particular following informationMandatory invoice details are as follows: 5.4.1 name and registered office of the Buyer, 5.4.2 tax identification number of the Buyer, 5.4.3 name and registered office of the Seller, 5.4.4 tax identification number of the Seller, 5.4.5 registration number of the tax document (invoice), 5.4.6 scope of the performance (including the reference to this Contract), 5.4.7 the date of the issue of the tax document (invoice), 5.4.8 the date of the conclusion of the Contract, 5.4.9 purchase Price, 5.4.10 5.4.9 the date of conclusion of the Contract and its registration number of this Contractnumber, which the Buyer shall communicate to the Seller based on Seller’s request before the issuance of the invoice invoice, and it must comply with the double taxation agreements, if applicable. 5.5 The Buyer prefers electronic invoicing, invoicing with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international double taxation agreements, if applicable. 5.6 Invoices shall be payable within thirty (30) days of the date of their delivery to the Buyer. Payment of the invoiced amount means the date of its remittance to the Seller’s account. 5.7 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue issuance of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected or new invoice with a new and identical maturity period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 The Buyer shall be entitled to unilaterally set off any of his payments against any receivables claimed by the Seller due to: 5.8.1 damages caused by the Seller,

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s submitted bid and amounts to 21.995,- EUR 13 160 000,00 CZK (in words: twenty-thirteen million one hundred and sixty thousand nine hundred ninety-five EurosCzech crowns) excluding VAT (hereinafter the “Price”). VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the delivery, installation and handover, and including all other costs or expenses that may arise in connection with creation of an intellectual property and its protection. 5.3 The Parties agreed that the Seller is shall be entitled to invoice the Price after the acceptance protocol Handover Protocol in accordance with Section 10.5 will have been signed. In case the Equipment will be delivered handed over with minor defectsdefects and / or unfinished work, the Price shall be invoiced after removal of these minor defectsdefects and / or unfinished work. 5.4 All invoices issued by the Seller must contain all information required by the applicable laws of the Czech Republic. Invoices issued by the Seller in accordance with this Contract shall contain in particular following information: 5.4.1 name and registered office of the Buyer, 5.4.2 tax identification number of the Buyer, 5.4.3 name and registered office of the Seller, 5.4.4 tax identification number of the Seller, 5.4.5 registration number of the tax document (invoice), 5.4.6 scope of the performance (including the reference to this Contract), 5.4.7 the date of the issue of the tax document (invoice), 5.4.8 the date of the conclusion of the Contract, 5.4.9 purchase Price, 5.4.10 registration number of this Contract, which the Buyer shall communicate to the Seller based on Seller’s request before the issuance of the invoice and must comply with the double taxation agreements, if applicable. 5.5 The Buyer prefers electronic invoicing, with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international double taxation agreements, if applicable. 5.6 Invoices shall be payable within thirty (30) days of the date of their delivery to the Buyer. Payment of the invoiced amount means the date of its remittance to the Seller’s account. 5.7 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected invoice with a new and identical maturity period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 The Buyer shall be entitled to unilaterally set off any of his payments against any receivables claimed by the Seller due to: 5.8.1 damages caused by the Seller,

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s submitted bid and amounts amount to 21.995,- EUR 54.000,- € (in words: twenty-one fifty- four thousand nine hundred ninety-five Euros) excluding VAT (hereinafter the “Price”). VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the delivery, delivery and installation and including all other costs or of expenses that may arise in connection with creation of an intellectual property creation and its protection. 5.3 The Seller is entitled to invoice the Price after the acceptance protocol in accordance with Section 10.5 will have been signed. In case the Equipment will be delivered with minor defects, Parties agreed that the Price shall be invoiced after removal delivery of these minor defects.the Equipment in accordance with 5.4 All invoices The invoice issued by the Seller as a tax document must contain all information required by the applicable laws of the Czech Republic. Invoices issued by the Seller in accordance with this Contract shall contain in particular following information: 5.4.1 name and registered office of the Buyer, 5.4.2 tax identification number of the Buyer, 5.4.3 name and registered office of the Seller, 5.4.4 tax identification number of the Seller, 5.4.5 registration number of the tax document (invoice)document, 5.4.6 scope of the performance (including the reference to this Contract), 5.4.7 the date of the issue of the tax document (invoice)document, 5.4.8 the date of the conclusion fulfilment of the Contract, 5.4.9 purchase Price, 5.4.10 registration number of this Contract, which the Buyer shall communicate to the Seller based on Seller’s request before the issuance of the invoice invoice, and must comply with the double taxation tax avoidance agreements, if applicable. 5.5 The Buyer prefers electronic invoicing, with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international treaties prohibiting double taxation agreementstaxation, if applicable. 5.6 Invoices shall be payable within thirty (30) days of the date of their delivery to the Buyer. Payment of the invoiced amount means the date of its remittance to the Seller’s account. 5.7 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected invoice with a new and identical maturity period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 The Buyer shall be entitled to unilaterally set off any of his payments against any receivables claimed by the Seller any of its payment due to: 5.8.1 damages caused by the Seller,

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s submitted bid and amounts to 21.995,- EUR 1 983 028,- CZK (in words: twenty-one thousand million nine hundred ninety-five Eurosand eighty three thousand twenty eight Czech Crowns) excluding VAT (hereinafter the “Price”). VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the delivery, and including all other costs or of expenses that may arise in connection with creation of an intellectual property and its protection. 5.3 The Seller is entitled to invoice the Price after the acceptance handover protocol in accordance with Section 10.5 9.4 will have been signed. In case the Equipment will be delivered with minor defectsdefects and / or unfinished work, the Price shall be invoiced after removal of these minor defectsdefects and / or unfinished work. 5.4 All invoices issued by the Seller must contain all information required by the applicable laws of the Czech Republic. Invoices issued by the Seller in accordance with this Contract shall contain in particular following information: 5.4.1 name and registered office of the Buyer, 5.4.2 tax identification number of the Buyer, 5.4.3 name and registered office of the Seller, 5.4.4 tax identification number of the Seller, 5.4.5 registration number of the tax document (invoice), 5.4.6 scope of the performance (including the reference to this Contract), 5.4.7 the date of the issue of the tax document (invoice), 5.4.8 the date of the conclusion fulfilment of the Contract, 5.4.9 purchase Price, 5.4.10 registration number of this Contract, which the Buyer shall communicate to the Seller based on Seller’s request before the issuance of the invoice and must comply with the double taxation agreements, if applicable. 5.5 The Buyer prefers electronic invoicing, with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international double taxation agreements, if applicable. 5.6 Invoices shall be payable within thirty (30) days of the date of their delivery to the Buyer. Payment of the invoiced amount means the date of its remittance to the Seller’s account. 5.7 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected invoice with a new and identical maturity period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 The Buyer shall be entitled to unilaterally set off any of his payments against any receivables claimed by the Seller due to: 5.8.1 damages caused by the Seller,

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s submitted bid and amounts amount to 21.995,- EUR 798.800,00 CZK (in words: twenty-one thousand nine seven hundred ninety-five Euroseight thousand eight hundred CZK) excluding VAT (hereinafter the “Price”). VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the delivery, installation and handover, and including all other costs or of expenses that may arise in connection with creation of an intellectual property creation and its protection. 5.3 The Seller is entitled to invoice Parties agreed that the Price will be invoiced after the acceptance Handover protocol in accordance with Section 10.5 9.4 will have been signedsigned between the Parties. In case the Equipment will be delivered handed over with minor defectsdefects and / or unfinished work, the Price shall will be invoiced after removal of these minor defectsdefects and / or unfinished work. 5.4 All invoices issued by the Seller must contain all information required by the applicable laws of the Czech Republic. Invoices issued by the Seller in accordance with this Contract hereunder shall contain in particular following information: 5.4.1 name all the requirements stipulated by Act no. 235/2004 Coll., on Value Added Tax, as amended, and registered office of the Buyer, 5.4.2 tax identification number of the Buyer, 5.4.3 name and registered office of the Seller, 5.4.4 tax identification number of the Seller, 5.4.5 registration number of the tax document (invoice), 5.4.6 scope of the performance (including the reference to this Contract), 5.4.7 the date of the issue of the tax document (invoice), 5.4.8 the date of the conclusion of the Contract, 5.4.9 purchase Price, 5.4.10 registration number of this Contract, which the Buyer shall communicate to the Seller based on Seller’s request before the issuance of the invoice and must comply with the double taxation agreements, if applicableContract number. 5.5 The Buyer prefers electronic invoicing, with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international treaties prohibiting double taxation agreementstaxation, if applicable. 5.6 Invoices shall be payable within thirty (30) days of the date of their delivery to the BuyerBuyer (hereinafter the "Maturity Period"). Payment of the invoiced amount means the date of its remittance to the Seller’s account. 5.7 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected invoice with a new and identical maturity period Maturity Period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 The Buyer shall be entitled to unilaterally set off any of his payments against any receivables claimed by the Seller any of its payment due to: 5.8.1 damages caused by the Seller, 5.8.2 contractual penalties and other sanctions. 5.9 The Seller shall not be entitled to set off any of its receivables against any part of the Buyer’s receivable hereunder.

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s submitted bid and amounts to 21.995,- EUR 7 200 000,- CZK (in words: twenty-one thousand nine hundred ninety-five Eurossevenmilliontwohundredthousand Czech Crowns) excluding VAT (hereinafter the “Price”). VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the delivery, installation and handover, and including all other costs or of expenses that may arise in connection with creation of an intellectual property and its protection. 5.3 The Parties agreed that the Price shall be invoiced under the following terms: 5.3.1 The Seller is entitled to issue an advance invoice corresponding to 20 % of the total Purchase Price of 1 440 000,- CZK excluding VAT after the conclusion of the Contract. 5.3.2 The remaining part of the Price shall be invoiced after the acceptance handover protocol in accordance with Section 10.5 10.4 will have been signed. In case the Equipment will be delivered with minor defectsdefects and / or unfinished work, the Price shall be invoiced after removal of these minor defectsdefects and / or unfinished work. 5.4 All invoices The invoice issued by the Seller as a tax document must contain all information required by the applicable laws of the Czech Republic. Invoices issued by the Seller in accordance with this Contract shall contain in particular following information: 5.4.1 name and registered office of the Buyer, 5.4.2 tax identification number of the Buyer, 5.4.3 name and registered office of the Seller, 5.4.4 tax identification number of the Seller, 5.4.5 registration number of the tax document (invoice)document, 5.4.6 scope of the performance (including the reference to this Contract), 5.4.7 the date of the issue of the tax document (invoice)document, 5.4.8 the date of the conclusion fulfilment of the Contract, 5.4.9 purchase Price, 5.4.10 registration number of the Project, 5.4.11 registration number of this Contract, which the Buyer shall communicate to the Seller based on Seller’s request before the issuance of the invoice invoice, and must comply with the double taxation agreements, if applicable. 5.5 The Buyer prefers electronic invoicing, with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international double taxation agreements, if applicable. 5.6 Invoices shall be payable within thirty (30) days of the date of their delivery to the Buyer. Payment of the invoiced amount means the date of its remittance to the Seller’s account. 5.7 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected invoice with a new and identical maturity period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 The Buyer shall be entitled to unilaterally set off any of his payments against any receivables claimed by the Seller due to: 5.8.1 damages caused by the Seller,

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s submitted bid and amounts amount to 21.995,- EUR 205.000,00 € (in words: twenty-one thousand nine hundred ninety-five Eurostwohundredfivethousand) excluding VAT (hereinafter the “Price”). VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the delivery, installation and handover, and including all other costs or of expenses that may arise in connection with creation of an intellectual property creation and its protection. 5.3 The Parties agreed that the Seller is shall be entitled to invoice the Price as follows: 5.3.1 The advance payment corresponding to 30 % of the total Price in the amount of 61.500,00 € excl. VAT after the acceptance conclusion hereof. 5.3.2 The Price will be invoiced after the handover protocol (hereinafter the “Handover Protocol“) in accordance with Section 10.5 9.4 will have been signedsigned between the Parties. The Handover Protocol shall be attached to this invoice. This invoice shall be issued and delivered to the Buyer on the day of signing of the Handover Protocol. 5.3.3 In case the Buyer accepted the Equipment with any minor defect or unfinished work, the Seller shall be entitled to invoice up to 90 % of the total Price in the amount of 184.500,00 € excl. VAT after Handover Protocol in accordance with Section 9.4 will be delivered with minor defects, have been signed between the Parties. The remainder of the Price shall the Seller be invoiced entitled to invoice after removal / remedy of minor defects or unfinished work. The Handover Protocol or the Buyer's confirmation of removal of minor defects or unfinished work shall be attached to these minor defectsinvoices. 5.4 All invoices issued by the Seller must contain all information required by the applicable laws of the Czech Republic. Invoices issued by the Seller in accordance with this Contract hereunder shall contain in particular following information: 5.4.1 name all the requirements stipulated by Act No. 235/2004 Coll., on Value Added Tax, as amended, and registered office of the Buyer, 5.4.2 tax identification number of the Buyer, 5.4.3 name and registered office of the Seller, 5.4.4 tax identification number of the Seller, 5.4.5 registration number of the tax document (invoice), 5.4.6 scope of the performance (including the reference to this Contract), 5.4.7 the date of the issue of the tax document (invoice), 5.4.8 the date of the conclusion of the Contract, 5.4.9 purchase Price, 5.4.10 registration number of this Contract, which the Buyer shall communicate to the Seller based on Seller’s request before the issuance of the invoice and must comply with the double taxation agreements, if applicableContract number. 5.5 The Buyer prefers electronic invoicing, with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international treaties prohibiting double taxation agreementstaxation, if applicable. 5.6 Invoices shall be payable within thirty (30) days of the date of their delivery to the Buyer. Payment of the invoiced amount means the date of its remittance to the Seller’s account. 5.7 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected invoice with a new and identical maturity period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 The Buyer shall be entitled to unilaterally set off any of his payments against any receivables claimed by the Seller any of its payment due to: 5.8.1 damages caused by the Seller, 5.8.2 contractual penalties and other sanctions. 5.9 The Seller shall not be entitled to set off any of its receivables against any part of the Buyer’s receivable hereunder.

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s submitted bid and amounts to 21.995,- 269,000.00 EUR (in words: twenty-one thousand nine hundred ninety-five Two Hundred and Sixty Nine Thousand Euros) excluding VAT (hereinafter the “Price”). VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the delivery, and including all other costs or of expenses that may arise in connection with creation of an intellectual property and its protection. 5.3 The Parties agreed that the Seller shall be entitled to invoice the Price as follows: 5.3.1 The Seller is entitled to issue an advance invoice corresponding to 30 % of the Price excluding VAT after the conclusion of the Contract; 5.3.2 The Seller is entitled to invoice the Price after the acceptance handover protocol in accordance with Section 10.5 10.4 will have been signed. In case the Equipment will be delivered with minor defectsdefects and / or unfinished work, the Price shall be invoiced after removal of these minor defectsdefects and / or unfinished work. 5.4 All invoices issued by the Seller must contain all information required by the applicable laws of the Czech Republic. Invoices issued by the Seller in accordance with this Contract shall contain in particular following information: 5.4.1 name and registered office of the Buyer, 5.4.2 tax identification number of the Buyer, 5.4.3 name and registered office of the Seller, 5.4.4 tax identification number of the Seller, 5.4.5 registration number of the tax document (invoice), 5.4.6 scope of the performance (including the reference to this Contract), 5.4.7 the date of the issue of the tax document (invoice), 5.4.8 the date of the conclusion fulfilment of the Contract, 5.4.9 purchase Price, 5.4.10 registration number of this Contract, which the Buyer shall communicate to the Seller based on Seller’s request before the issuance of the invoice invoice, 5.4.11 declaration that the performance of the Contract is for the purposes of the project “Solid state physics for the 21st century (SOLID21)”, Reg. No. CZ.02.1.01/0.0/0.0/16_019/0000760 and must comply with the double taxation agreements, if applicable. 5.5 The Buyer prefers electronic invoicing, with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international double taxation agreements, if applicable. 5.6 Invoices shall be payable within thirty (30) days of the date of their delivery to the Buyer. Payment of the invoiced amount means the date of its remittance to the Seller’s account. 5.7 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected invoice with a new and identical maturity period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 The Buyer shall be entitled to unilaterally set off any of his payments against any receivables claimed by the Seller due to: 5.8.1 damages caused by the Seller,

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s submitted bid and amounts amount to 21.995,- EUR 9 950 000,00 CZK (in words: twenty-one thousand Nine million nine hundred ninety-five Eurosand fifty thousand CZK) excluding VAT (hereinafter the “Price”). VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the delivery, installation and handover, and including all other costs or of expenses that may arise in connection with creation of an intellectual property creation and its protection. 5.3 The Seller is entitled to invoice the Price after the acceptance protocol in accordance with Section 10.5 will have been signed. In case the Equipment will be delivered with minor defects, Parties agreed that the Price shall be invoiced after removal of these minor defectsthe handover protocol (hereinafter the “Handover Protocol“) in accordance with Section 10.4 will have been signed between the Parties. 5.4 All invoices The invoice issued by the Seller as a tax document must contain all information required by the applicable laws of the Czech Republic. Invoices issued by the Seller in accordance with this Contract shall contain in particular following information: 5.4.1 name and registered office of the Buyer, 5.4.2 tax identification number of the Buyer, 5.4.3 name and registered office of the Seller, 5.4.4 tax identification number of the Seller, 5.4.5 registration number of the tax document (invoice)document, 5.4.6 scope of the performance (including the reference to this Contract), 5.4.7 the date of the issue of the tax document (invoice)document, 5.4.8 the date of the conclusion fulfilment of the Contract, 5.4.9 purchase Price, 5.4.10 registration number of this Contract, which the Buyer shall communicate to the Seller based on Seller’s request before the issuance of the invoice invoice, 5.4.11 declaration that the performance of the Contract is for the purposes of the project “Cosmology, Gravitation and Dark Sector – CoGraDS”, Reg. CZ.02.1.01/0.0/0.0/15_003/0000437, and must comply with the double taxation tax avoidance agreements, if applicable. No.: 5.5 The Buyer prefers electronic invoicing, with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international treaties prohibiting double taxation agreementstaxation, if applicable. 5.6 Invoices shall be payable within thirty (30) days of the date of their delivery to the Buyer. Payment of the invoiced amount means the date of its remittance to the Seller’s account. 5.7 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected invoice with a new and identical maturity period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 The Buyer shall be entitled to unilaterally set off any of his payments against any receivables claimed by the Seller any of its payment due to: 5.8.1 damages caused by the Seller,

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s submitted bid and amounts amount to 21.995,- EUR 14.319,40 € (in words: twenty-one fourteen thousand nine three hundred ninety-five Eurosnineteen Euros and forty Cents) excluding VAT (hereinafter the “Price”). VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the delivery, installation and acceptance, and including all other costs or of expenses that may arise in connection with creation of an intellectual property creation and its protection. 5.3 The Seller is entitled to invoice Parties agreed that the Price will be invoiced after the acceptance protocol in accordance with Section 10.5 9.5 will have been signed. In case the Equipment will be delivered handed over with minor defectsdefects and ƒ or unfinished work, the Price shall will be invoiced after removal of these minor defectsdefects and ƒ or unfinished work. 5.4 All invoices issued by the Seller must contain all information required by the applicable laws of the Czech Republic. Invoices issued by the Seller in accordance with this Contract hereunder shall contain in particular following information: 5.4.1 name all the requirements stipulated by Act no. 235ƒ2004 Coll., on Value Added Tax, as amended, and registered office of the Buyer, 5.4.2 tax identification number of the Buyer, 5.4.3 name and registered office of the Seller, 5.4.4 tax identification number of the Seller, 5.4.5 registration number of the tax document (invoice), 5.4.6 scope of the performance (including the reference to this Contract), 5.4.7 the date of the issue of the tax document (invoice), 5.4.8 the date of the conclusion of the Contract, 5.4.9 purchase Price, 5.4.10 registration number of this Contract, which the Buyer shall communicate to the Seller based on Seller’s request before the issuance of the invoice and must comply with the double taxation agreements, if applicableContract number. 5.5 The Buyer prefers electronic invoicing, with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international treaties prohibiting double taxation agreementstaxation, if applicable. 5.6 Invoices shall be payable within thirty (30) days of the date of their delivery to the Buyer. Payment of the invoiced amount means the date of its remittance to the Seller’s account. 5.7 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected invoice with a new and identical maturity period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 The Buyer shall be entitled to unilaterally set off any of his payments against any receivables claimed by the Seller any of its payment due to: 5.8.1 damages caused by the Seller, 5.8.2 contractual penalties and other sanctions. 5.9 The Seller shall not be entitled to set off any of its receivables against any part of the Buyer’s receivable hereunder.

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s submitted bid and amounts amount to 21.995,- EUR 244,500.00 € (in words: twentytwo hundred and forty-one four thousand nine and five hundred ninety-five EurosEuro) excluding VAT (hereinafter the “Price”). VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the delivery, installation and handover, and including all other costs or of expenses that may arise in connection with creation of an intellectual property creation and its protection. 5.3 The Parties agreed that the Seller is shall be entitled to invoice the Price as follows: 5.3.1 the first part – advance payment – of the Price corresponding to 40 % of the total Price in the amount of 97,800.00 € excl. VAT after the conclusion hereof. 5.3.2 the second part of the Price corresponding to 50 % of the total Price in the amount of 122,250.00 € excl. VAT after acceptance protocol in accordance with Section 10.5 9.3 will have been signedsigned between the Parties. 5.3.3 the third and final part of the Price corresponding to 10 % of the total Price in the amount of 24,450.00 € excl. VAT after Handover protocol in accordance with Section 10.7 will have been signed between the Parties. In case the Equipment will be delivered handed over with minor defectsdefects and / or unfinished work, the Price shall will be invoiced after removal of these minor defectsdefects and / or unfinished work. 5.4 All invoices issued by the Seller must contain all information required by the applicable laws of the Czech Republic. Invoices issued by the Seller in accordance with this Contract hereunder shall contain in particular following information: 5.4.1 name all the requirements stipulated by Act No. 235/2004 Coll., on Value Added Tax, as amended, and registered office of the Buyer, 5.4.2 tax identification number of the Buyer, 5.4.3 name and registered office of the Seller, 5.4.4 tax identification number of the Seller, 5.4.5 registration number of the tax document (invoice), 5.4.6 scope of the performance (including the reference to this Contract), 5.4.7 the date of the issue of the tax document (invoice), 5.4.8 the date of the conclusion of the Contract, 5.4.9 purchase Price, 5.4.10 registration number of this Contract, which the Buyer shall communicate to the Seller based on Seller’s request before the issuance of the invoice and must comply with the double taxation agreements, if applicableContract number. 5.5 The Buyer prefers electronic invoicing, with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international treaties prohibiting double taxation agreementstaxation, if applicable. 5.6 Invoices shall be payable within thirty (30) days of the date of their delivery to the Buyer. Payment of the invoiced amount means the date of its remittance to the Seller’s account. 5.7 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected invoice with a new and identical maturity period Maturity Period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 The Buyer shall be entitled to unilaterally set off any of his payments against any receivables claimed by the Seller any of its payment due to: 5.8.1 damages caused by the Seller, 5.8.2 contractual penalties and other sanctions. 5.9 The Seller shall not be entitled to set off any of its receivables against any part of the Buyer’s receivable hereunder.

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s submitted bid and amounts to 21.995,- EUR 2 830 101 CZK (in words: twenty-one thousand nine hundred ninety-five Eurostwomillioneighthundredthirtythousandonehundredone Czech crowns) excluding VAT (hereinafter the “Price”). VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the delivery, installation and handover, and including all other costs or of expenses that may arise in connection with creation of an intellectual property and its protection. 5.3 The Seller is entitled to invoice Parties agreed that the Price shall be invoiced after the acceptance handover protocol in accordance with Section 10.5 10.4 will have been signed. In case the Equipment will be delivered with minor defectsdefects and / or unfinished work, the Price shall be invoiced after removal of these minor defectsdefects and / or unfinished work. 5.4 All invoices The invoice issued by the Seller as a tax document must contain all information required by the applicable laws of the Czech Republic. Invoices issued by the Seller in accordance with this Contract shall contain in particular following information: 5.4.1 name and registered office of the Buyer, 5.4.2 tax identification number of the Buyer, 5.4.3 name and registered office of the Seller, 5.4.4 tax identification number of the Seller, 5.4.5 registration number of the tax document (invoice)document, 5.4.6 scope of the performance (including the reference to this Contract), 5.4.7 the date of the issue of the tax document (invoice)document, 5.4.8 the date of the conclusion fulfilment of the Contract, 5.4.9 purchase Price, 5.4.10 registration number of the Project (CZ.02.1.01/0.0/0.0/16_019/0000760), 5.4.11 registration number of this Contract, which the Buyer shall communicate to the Seller based on Seller’s request before the issuance of the invoice invoice, and must comply with the double taxation agreements, if applicable. 5.5 The Buyer prefers electronic invoicing, with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international double taxation agreements, if applicable. 5.6 Invoices shall be payable within thirty (30) days of the date of their delivery to the Buyer. Payment of the invoiced amount means the date of its remittance to the Seller’s account. 5.7 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected invoice with a new and identical maturity period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 The Buyer shall be entitled to unilaterally set off any of his payments against any receivables claimed by the Seller due to: 5.8.1 damages caused by the Seller,

PURCHASE PRICE, INVOICING, PAYMENTS. 5.1 The purchase price is based on the Seller’s submitted bid and amounts to 21.995,- EUR 19.274,- € (in words: twenty-one thousand nine hundred ninety-five EurosNineteenthousandtwohundredseventyfour Euro) excluding VAT (hereinafter the “Price”). VAT shall be paid by the Buyer and settled in accordance with the valid Czech regulation. 5.2 The Price represents the maximum binding offer by the Seller and includes any and all performance provided by the Seller in connection with meeting the Buyer’s requirements for the proper and complete delivery of the Equipment hereunder, as well as all costs that the Seller may incur in connection with the delivery, and including all other costs or of expenses that may arise in connection with creation of an intellectual property creation and its protection. 5.3 The Seller is entitled to invoice Parties agreed that the Price shall be invoiced after the acceptance protocol in accordance with Section 10.5 9.5 will have been signed. In case the Equipment will be delivered with minor defectsdefects and / or unfinished work, the Price shall will be invoiced after removal of these minor defectsdefects and / or unfinished work. 5.4 All invoices The invoice issued by the Seller as a tax document must contain all information required by the applicable laws of the Czech Republic. Invoices issued by the Seller in accordance with this Contract shall contain in particular following information: 5.4.1 name and registered office of the Buyer, 5.4.2 tax identification number of the Buyer, 5.4.3 name and registered office of the Seller, 5.4.4 tax identification number of the Seller, 5.4.5 registration number of the tax document (invoice)document, 5.4.6 scope of the performance (including the reference to this Contract), 5.4.7 the date of the issue of the tax document (invoice)document, 5.4.8 the date of the conclusion fulfilment of the Contract, 5.4.9 purchase Price, 5.4.10 registration number of this Contract, which the Buyer shall communicate to the Seller based on Seller’s request before the issuance of the invoice invoice, 5.4.11 declaration that the performance of the Contract is for the purposes of the project “Future of the Czech participation at the Xxxxxx Xxxxx Observatory – AUGER-CZ”, Reg. No.: CZ.02.1.01/0.0/0.0/16_013/0001402, and must comply with the double taxation agreements, if applicable. 5.5 The Buyer prefers electronic invoicing, with the invoices being delivered to xxxxxxxx@xxx.xx. All issued invoices shall comply with any international double taxation agreements, if applicable. 5.6 Invoices shall be payable within thirty (30) days of the date of their delivery to the Buyer. Payment of the invoiced amount means the date of its remittance to the Seller’s account. 5.7 If an invoice is not issued in conformity with the payment terms stipulated by the Contract or if it does not comply with the requirements stipulated by law, the Buyer shall be entitled to return the invoice to the Seller as incomplete, or incorrectly issued, for correction or issue of a new invoice, as appropriate, within five (5) business days of the date of its delivery to the Buyer. In such a case, the Buyer shall not be in delay with the payment of the Price or part thereof and the Seller shall issue a corrected invoice with a new and identical maturity period commencing on the date of delivery of the corrected or newly issued invoice to the Buyer. 5.8 The Buyer shall be entitled to unilaterally set off any of his payments against any receivables claimed by the Seller due to: 5.8.1 damages caused by the Seller,to contractual penalties, if any.