Preliminary Draft Materials – Highly Confidential Silver Balance Sheet Impact Across
Various Levels of Consideration Mix P R O J E C T M E T A L Fitch current rating of ‘A’; downgrade trigger of leverage sustained above 5.5x Fitch leverage estimated to be ~0.4x lower than current calculations via public filingsImplies
sustained leverage above ~5.9x on comparable basis may be subject to potential downgrade Moody’s current rating of ‘A2’; downgrade trigger is “significantly above” 7.0x Agency also mentions a “highly levered and large acquisition that could
present capital structure and operating challenges” would create negative rating pressure, but noted that rating revisions were unlikely for modest / transient weakening of credit metricsTrigger is as of April 2018 and may have been updated
since S&P triggers unclear, but current rating of ‘A’ Source: Company filings, Green Street Advisors, FactSet as of 12/4/2019. (a)(b)(c)(d)(e) Pro forma for ~$2.6Bn debt repayment on October 7, 2019.~5.9x represents estimated leverage
to remain at Fitch downgrade trigger on a comparable basis.Assumes annual Free Cash Flow and EBITDA growth of 2% and ~$1.1Bn of free cash flow (pre-project CapEx) is utilized solely to pay down debt. Assumes no operational synergies. Assumes
100% of asset sales are used to pay down debt and ignores transaction costs.Calculated using Green Street NAV and adjustments to Other Assets & Liabilities. CAPITALIZATION BUILD (3Q19 AT SILVER SHARE) CREDIT RATING AGENCY
SUMMARY ASSET SALES TO REMAIN BELOW ESTIMATED FITCH DOWNGRADE
TRIGGER $53.00 $35,581 $5,883 +0.59x 6.05x $1,541 1.8% 58.00 35,768 5,883 +0.62x 6.08x 1,830 2.1% 63.00 35,955 5,883 +0.65x 6.11x 2,118 2.4% Trx. Price Debt Post- Transaction Pro
Forma EBITDA Change in Leverage Pro Forma Leverage Req. Asset Sales % of Current @ 6.0% Cap Silver GAV
(c) $53.00 $36,524 $5,883 +0.75x 6.21x $2,998 3.4% 58.00 36,799 5,883 +0.79x 6.26x 3,423 3.9% 63.00 37,075 5,883 +0.84x 6.30x 3,849 4.4% Trx. Debt Post- Pro Forma Change
in Pro Forma Req. Asset Sales % of Current Price Transaction EBITDA Leverage Leverage @ 6.0% Cap Silver GAV
(c) $53.00 $37,466 $5,883 +0.91x 6.37x $4,454 5.1% 58.00 37,831 5,883 +0.97x 6.43x 5,017 5.7% 63.00 38,195 5,883 +1.03x 6.49x 5,580 6.4% Trx. Price Debt Post- Transaction Pro Forma
EBITDA Change in Leverage Pro Forma Leverage Req. Asset Sales % of Current @ 6.0% Cap Silver GAV (c) 50% /50% 75% /25% 100% /0% Cash / Stock Mix TO REMAIN AT ~5.9X(b)(d) ($ in MMs, except per share data)Share Price as of
12/4/2019 Diluted Shares Outstanding (MMs) $149.14354 Equity Market Capitalization $52,741 C onsolidated Secured Debt:FixedVariable $5,999711 Consolidated Secured DebtUnsecured (a) Other Obligations $6,71017,24067 Consolidated
Debt $24,017 J V Debt:Fixed & Hedged VariableTMLP Debt $6,512490158 JV Debt $7,160 3Q 2019 LTM EBITDA at Share 5,451 Net Debt / EBITDA(Net Debt + Pref) / EBITDA 5.5x5.5x Memo: Total Enterprise Value Memo: Net Debt / TEV $82,572
36.0% Total Debt (a) $31,177 Less: Cash & Equivalents (a) (1,411) Total Net Debt $29,765 Plus: Preferred 65 Total Net Debt + Preferred
$29,831 ILLUSTRATIVE DELEVERAGING TIMELINES Years to~5.9x(b)(c) Cash Mix 50%~0.6 Yrs 75%~1.1 Yrs 100%~1.5 Yrs 3