Exhibit 12.1

HARSCO CORPORATION

Computation of Ratios of Earnings to Fixed Charges

	Six Months Ended June 30 2013			Year Ended December 31
(In thousands)				2012			2011			2010			2009			2008
Pre-tax income (loss) from continuing operations attributable to Harsco shareholders (a)	$	48,446		$	(218,442	)(b)	$	40,401		$	15,161		$	152,347		$	337,443
Add: Consolidated Fixed Charges computed below		41,894			80,073			86,608			97,334			95,180			120,709
Net adjustments for unconsolidated entities		(581	)		(256	)		(464	)		(214	)		(94	)		(417	)
Net adjustments for capitalized interest		(366	)		128			165			125			(572	)		(277	)
Consolidated Earnings Available for Fixed Charges (c)	$	89,393		$	(138,497	)(b)	$	126,710		$	112,406		$	246,861		$	457,458
Consolidated Fixed Charges:
Interest expense per financial statements (d)	$	24,598		$	47,381		$	48,735		$	60,623		$	62,746		$	73,160
Interest expense capitalized		577			476			250			254			947			552
Portion of rentals (1/3) representing a reasonable approximation of the interest factor		16,719			32,216			37,623			36,457			31,487			46,997
Consolidated Fixed Charges	$	41,894		$	80,073		$	86,608		$	97,334		$	95,180		$	120,709
Consolidated Ratio of Earnings to Fixed Charges (e)		2.13			—	(b)		1.46			1.15			2.59			3.79

(a) On January 1, 2009, the Company adopted changes issued by the Financial Accounting Standards Board related to consolidation accounting and reporting. These changes, among others, require that minority interests be renamed noncontrolling interests and that a company present a consolidated net income measure that includes the amount attributable to such noncontrolling interests for all periods presented. For the computation above, income attributable to noncontrolling interests have been excluded from pre-tax income.

(b) In the fourth quarter of 2012, the Company incurred a $265.0 million, pre-tax goodwill impairment charge, or $3.29 per basic and diluted share. Please refer to Note 6, Goodwill and Other Intangible Assets, to the consolidated financial statements, under Part II, Item 8, “Financial Statements and Supplementary Data,” of the Company’s Annual Report on Form 10-K for the year ended December 31, 2012.

(c) Does not include interest related to uncertain tax position obligations.

(d) Includes amortization of debt discount.

(e) For the year ended December 31, 2012, the ratio coverage was less than 1:1. The Company would have needed to generate additional earnings of $218.6 million to achieve a coverage of 1:1.