Appendix A – Leverage Ratios As of December 31, As of June 30, As of June 30, 2015 2015 2016 Audited Unaudited Unaudited Current liabilities Loans and borrowings (1,133) (1,462) (1,208) Debentures (4,878) (5,044) (4,973) Non-current liabilities Finance lease obligations (4,724) (5,032) (4,658) Long-term loans (13,043) (3,602) (12,946) Debentures (35,074) (41,486) (35,629) Financial Debt (A) (58,852) (56,626) (59,414) Less: Cash and cash equivalents 18,717 11,691 16,715 Marketable Securities 6,499 5,038 5,515 Financial Debt, net (B) (33,636) (39,897) (37,184) Total equity (C) (94,065) (92,031) (91,734) Financial Debt (A) (58,852) (56,626) (59,414) CAP (D) (152,917) (148,657) (151,148) Financial Debt to CAP (A/D) 38% 38% 39% Financial Debt, net to CAP (B/D) 22% 27% 25% Financial Debt to Total equity (A/C) 63% 62% 65% Financial Debt, net to Total equity (B/C) 36% 43% 41% The Company defines Financial Debt as loans and borrowings plus debentures (current liabilities) plus finance lease obligations plus long-term bank loans plus debentures (non-current liabilities), Financial Debt, Net as Financial Debt minus cash and cash equivalent minus investments held for trading minus short-term deposits and CAP as equity plus Financial Debt. The Company presents these measures in order to enhance the understanding of the Company’s leverage ratios and borrowings. While the Company considers these measures to be an important measure of leverage, these measures should not be considered in isolation or as a substitute for long-term borrowings or other balance sheet data prepared in accordance with IFRS as a measure of leverage. Not all companies calculate these measures in the same manner, and the measure as presented may not be comparable to similarly-titled measures presented by other companies. See the calculation of these financial measures presented below. Use of NON-IFRS Financial Measures Calculation of Leverage Ratios (in US$ thousands)