Exhibit 12.1

HEXION INC.

Statement Regarding Computation of Ratios

(Amounts in millions of dollars)

	Year ended December 31,
	2017		2016		2015		2014		2013
	(dollars in millions, except per share data)
Pre-tax loss from continuing operations before adjustment for noncontrolling interests in consolidated subsidiaries or earnings from unconsolidated entities	(220	)	(11	)	(22	)	(222	)	(210	)
Fixed Charges:
Interest expensed and capitalized	330		311		330		308		304
Interest element of lease costs	10		11		12		12		12
Total fixed charges	340		322		342		320		316
Pre-tax income from continuing operations before adjustment for noncontrolling interests in consolidated subsidiaries or earnings from unconsolidated entities, plus fixed charges	120		311		320		98		106
Ratio of earnings to fixed charges	N/A		N/A		N/A		N/A		N/A

(1) The interest element of lease costs has been calculated as 1/3 of the rental expense relating to operating leases as management believes this represents the interest portion hereof.

(2) Our earnings were insufficient to cover fixed charges by $220, $11, $22, $222, and $210 for the years ended December 31, 2017, 2016, 2015, 2014 and 2013, respectively.