Exhibit 99.1

UNAUDITED INTERIM CONDENSED STATEMENT OF CONSOLIDATED FINANCIAL POSITION

(thousands of euros)

	6/30/2018			12/31/2017
ASSETS
Non-current assets
Intangible assets		26			123
Property, plant, and equipment		17,418			17,808
Other non-current financial assets		2,544			3,012
Total non-current assets		19,989			20,942
Current assets
Inventories		—			—
Customer accounts receivable		3			1,265
Other current assets		28,033			17,721
Cash and cash equivalents		202,245			137,880
Total current assets		230,281			156,865
TOTAL ASSETS		250,270			177,807
	6/30/2018			12/31/2017
LIABILITIES
Shareholders’ equity
Share capital		3,001			2,499
Premiums related to the share capital		538,668			406,709
Reserves		(264,671	)		(131,592	)
Net (loss)		(72,074	)		(147,693	)
Total shareholders’ equity		204,924			129,923
Non-current liabilities
Long-term financial debt		1,550			1,825
Non-current provisions		1,379			1,260
Other non-current liabilities		7,496			8,869
Total non-current liabilities		10,424			11,954
Current liabilities
Bank overdrafts		—			—
Short-term financial debt		2,048			2,325
Current provisions		58			913
Supplier accounts payable		21,599			16,941
Other current liabilities		11,217			15,751
Total current liabilities		34,921			35,930
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY		250,270			177,807

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