STOCK PURCHASE AGREEMENT This Stock Purchase Agreement ("Agreement") is entered into as of 6'h April, 2016 by and between Aquilamus GmbH, Saarbruecker Str. 6, 10405 Berlin ("Seller") and Lviv Enterprises LLC, 121 East 69th Street, Suite 2, New York, New York 10021 ("Purchaser"). Purchaser and Seller may collectively be referred to as the "Parties." WHEREAS, Seller is the record owner and holder of shares of the capital stock of Artace Inc (the "Company"), a Delaware Corporation; and WHEREAS, the Parties desire to enter into this Agreement pursuant to which Purchaser will purchase from Seller shares of capital stock of the Company. NOW, THEREFORE, in consideration for the promises set forth in this Agreement, the Parties agree as follows: 1. PURCHASE AND SALE: Subject to the terms and conditions set forth in this Agreement, Purchaser hereby agrees to purchase from Seller, and Seller hereby agrees to sell, transfer and convey to the Purchaser 367,048 shares of common stock of the Company (the "Stock"). 2. PURCHASE PRICE: The purchase price for each share of Stock shall be zero dollar and eighty thousand one hundred and seventy three cents. ($0.8173) for an aggregate purchase price of three hundred thousand dollars and zero cents ($300,000) (the "Purchase Price"). $200,000 will be paid to the Seller via wire transfer at closing, $100,000 will be paid until 15th of May 2016 to the Seller via wire transfer. 3. CLOSING: The closing contemplated by this Agreement for the transfer of the Stock and the payment of the Purchase Prices shall take place in Berlin and New York on 6th. April 2016 (the "Closing"). The certificates representing the Stock shall be duly endorsed for transfer or accompanied by an appropriate stock transfer. 4. REPRESENTATIONS AND WARRANTIES OF SELLER: Seller hereby warrants and represents that: (a) Restrictions on Stock. The Seller is the lawful owner of the Stock, free and clear of any encumbrances, security interests or lie