| Consolidated Net Debt December 31, 2011 March 31, 2012 June 30, 2012 September 30, 2012 ($M) as reported Covenant (a) as reported Covenant (a) as reported Covenant (a) as reported Covenant (a) Balance Sheet FX-Rate 1.30 1.39 1.33 1.38 1.27 1.34 1.29 1.30 LTM Adj EBITDA $862.8 $875.2 (b) $891.2 $902.9 (b) $878.6 $888.9 (b) $833.7 $855.6 (b) Net Debt Rockwood Term Loans 845.8 845.8 1,191.5 1,191.5 1,191.5 1,191.5 1,174.1 1,174.1 TiO2 Venture Term Loans 252.7 271.5 260.2 268.7 506.7 535.6 514.4 519.5 Other Debt 65.1 64.8 71.3 69.4 68.6 68.0 62.3 58.3 Sr. Sub. Notes 524.1 - - - - - 1,250.0 - Total Debt $1,687.7 $1,182.1 $1,523.0 $1,529.6 $1,766.8 $1,795.1 $3,000.8 $1,751.9 Cash (321.5) (200.0) (97.9) (97.9) (343.4) (200.0) (1,489.9) (200.0) Net Debt $1,366.2 $982.1 $1,425.1 $1,431.7 $1,423.4 $1,595.1 $1,510.9 $1,551.9 Net Debt / LTM Adj. EBITDA 1.58 x 1.60 x 1.62 x 1.81 x Covenant - as calculated 1.12 x 1.59 x 1.79 x 1.81 x - with full cash 0.98 x 1.59 x 1.63 x 0.31 x Covenant per Credit Agreement 2.75 x 2.75 x 2.75 x 2.75 x (a) Covenant leverage ratio calculation under senior credit agreement for Rockwood Specialties Group, Inc. is net secured debt to LTM Adjusted EBITDA and specifies maximum level of cash at $200 million and converts Euro denominated debt at average Euro-rate during LTM period. (b) Excludes Adjusted EBITDA from certain subsidiaries and joint ventures and stock-based compensation expenses; includes proforma Adjusted EBITDA for acquired businesses. |