Document:

EX-4.2

 Exhibit 4.2 

Execution Version 

PUBLIC STORAGE 
 AS ISSUER 

AND 
 WELLS FARGO BANK, NATIONAL
ASSOCIATION 
 AS TRUSTEE 
 THIRD
SUPPLEMENTAL INDENTURE 
 Dated as of January 24, 2020 

€500,000,000 0.875% SENIOR NOTES DUE 2032 

SUPPLEMENT TO INDENTURE 
 DATED AS
OF SEPTEMBER 18, 2017, BETWEEN 
 PUBLIC STORAGE (AS ISSUER) 

AND 
 WELLS FARGO BANK, NATIONAL
ASSOCIATION (AS TRUSTEE)

 THIRD SUPPLEMENTAL INDENTURE, dated as of January 24, 2020 (this “Third
Supplemental Indenture”), between PUBLIC STORAGE, a Maryland real estate investment trust (the “Issuer”), having its principal executive office located at 701 Western Avenue, Glendale, CA 91201 and WELLS FARGO BANK,
NATIONAL ASSOCIATION, a national banking association organized and existing under the laws of the United States (the “Trustee”), which supplements that certain Indenture, dated as of September 18, 2017, by and between the
Issuer and the Trustee (the “Base Indenture,” and together with this Third Supplemental Indenture, the “Indenture”). 

RECITALS 
 WHEREAS, the Issuer
has duly authorized the execution and delivery of the Base Indenture to the Trustee to provide for the issuance from time to time for its lawful purposes of debt securities evidencing the Issuer’s debentures, Notes or other evidences of
indebtedness. 
 WHEREAS, Section 301 of the Base Indenture provides that by means of a supplemental indenture the Issuer may create
one or more series of the Issuer’s debt securities and establish the form, terms and provisions thereof. 
 WHEREAS, the Issuer intends
by this Third Supplemental Indenture to (i) create a series of the Issuer’s debt securities, in an initial aggregate principal amount equal to €500,000,000, entitled 0.875% Senior Notes due 2032 (the “Notes”) and
(ii) establish the form and the terms and provisions of the Notes. 
 WHEREAS, the consent of Holders to the execution and delivery of
this Third Supplemental Indenture is not required, and all other actions required to be taken under the Base Indenture with respect to this Third Supplemental Indenture have been taken. 

NOW, THEREFORE IT IS AGREED: 

ARTICLE ONE 
 DEFINITIONS,
CREATION, FORM AND TERMS AND CONDITIONS OF THE DEBT SECURITIES 
 Section 1.1     Definitions.
Capitalized terms used but not otherwise defined in this Third Supplemental Indenture shall have the meanings ascribed to them in the Base Indenture. In addition, the following terms shall have the following meanings with respect to this Third
Supplemental Indenture and the Notes, to be equally applicable to both the singular and the plural forms of the terms set forth below: 

“Adjusted EBITDA” means, for any period, the Issuer’s Pro Rata Share of EBITDA for such period; provided, that,
so long as any of PS Business Parks and Shurgard Europe is not a Subsidiary of the Issuer, “Adjusted EBITDA” shall include the amount of dividends, distributions or interest paid in cash by any such entity that is not a Subsidiary to the
Issuer or any of its Subsidiaries during the applicable period. 

  
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 “Business Day” means any day, other than a Saturday or Sunday,
(1) which is not a day on which banking institutions in The City of New York or London are authorized or obligated by law, regulation or executive order to close and (2) on which the Trans-European Automated Real-Time Gross Settlement
Express Transfer System (the Target2 System) or any successor thereto, is open. 
 “Capitalized Property Value” means, with
respect to any Person, (a) Property EBITDA of such Person for the four (4) consecutive fiscal quarters ended on a Reporting Date divided by (b) the Capitalization Rate. 

“Capitalization Rate” means 6.75%. 

“Clearstream” means Clearstream Banking, a société anonyme, as currently in effect or any successor securities
clearing agency. 
 “Common Depository” means the common depository for the Depository. 

“Comparable Government Bond” means, in relation to any Comparable Government Bond Rate calculation, at the discretion of an
independent investment bank selected by the Issuer, a German government bond whose maturity is closest to the Par Call Date (as defined below) of the Notes, or if such independent investment bank in its discretion determines that such similar bond
is not in issue, such other German government bond as such independent investment bank may, with the advice of three brokers of, and/or market makers in, German government bonds selected by the Issuer, determine to be appropriate for determining the
Comparable Government Bond Rate. 
 “Comparable Government Bond Rate” means the price, expressed as a percentage (rounded
to three decimal places, with 0.0005 being rounded upwards), at which the gross redemption yield on the Notes, if they were to be purchased at such price on the third Business Day prior to the applicable date fixed for redemption, would be equal to
the gross redemption yield on such Business Day of the Comparable Government Bond on the basis of the middle market price of the Comparable Government Bond prevailing at 11:00 a.m. (London time) on such Business Day as determined by an independent
investment bank selected by the Issuer. 
 “Debt” means, without duplication, the Issuer’s Pro Rata Share of the
aggregate principal amount of indebtedness in respect of (i) borrowed money evidenced by bonds, notes, debentures or similar instruments, as determined in accordance with GAAP, (ii) indebtedness secured by any mortgage, pledge, lien,
charge, encumbrance or any security interest existing on Property or other assets owned by the Issuer or any Subsidiary directly, or indirectly through unconsolidated joint ventures, as determined in accordance with GAAP, (iii) reimbursement
obligations in connection with any letters of credit actually issued and called, (iv) any lease of property by the Issuer or any Subsidiary as lessee which is reflected in the Issuer’s balance sheet as a capitalized lease, in accordance
with GAAP; provided, that Debt also includes, to the extent not otherwise included, any obligation by the Issuer or any Subsidiary to be liable for, or to pay, as obligor, guarantor or otherwise, items of indebtedness of another Person (other
than the Issuer or any Subsidiary) described in clauses (i) through (iv) above (or, in the case of any such obligation 

  
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made jointly with another Person, the Issuer’s or Subsidiary’s allocable portion of such obligation based on its ownership interest in the related real estate assets or such other
applicable assets); and provided, further, that Debt excludes Intercompany Debt. 
 “Depository” means, with
respect to the Notes, Euroclear and Clearstream, as applicable, or any successor entity thereto 
 “Development Property”
means a Property currently under development on which the improvements have not been completed, or a Property where development has been completed as evidenced by a certificate of occupancy for the entire Property for the 36 month period following
the issuance of such certificate of occupancy (provided that the Issuer may at its option elect to remove a Property from the category of Development Properties prior to the completion of the 36 month period, but any such Property may not be
reclassified as a Development Property). The term “Development Property” shall include real property of the type described in the immediately preceding sentence to be (but not yet) acquired by the Issuer, any Subsidiary or any joint
venture of the Issuer upon completion of construction pursuant to a contract in which the seller of such real property is required to develop or renovate prior to, and as a condition precedent to, such acquisition. 

“EBITDA” means, with respect to any Person, for any period and without duplication, net earnings (loss) of such Person for
such period excluding the impact of the following amounts with respect to any Person (but only to the extent included in determining net earnings (loss) for such period): (i) depreciation and amortization expense and other non-cash charges of such Person for such period; (ii) interest expense of such Person for such period; (iii) income tax expense of such Person in respect of such period; (iv) extraordinary and
nonrecurring gains and losses of such Person for such period, including without limitation, gains and losses from the sale of assets, write-offs and forgiveness of debt, foreign currency translation gains or losses; and (v) non-controlling interests; minus (vi) if during such period any of PS Business Parks or Shurgard Europe is not a Subsidiary of the Issuer, the impact on EBITDA of each of the foregoing Persons
that is not a Subsidiary. 
 “Encumbered Asset Value” means, with respect to any Person, for any date, the portion of Total
Assets serving as collateral for Secured Debt as of such date. 
 “Equity Interests” means, with respect to any Person, any
share of capital stock of (or other ownership or profit interests in) such Person, any warrant, option or other right for the purchase or other acquisition from such Person of any share of capital stock of (or other ownership or profit interests in)
such Person, any security convertible into or exchangeable for any share of capital stock of (or other ownership or profit interests in) such Person or warrant, right or option for the purchase or other acquisition from such Person of such shares
(or such other interests), and any other ownership or profit interest in such Person (including, without limitation, partnership, member or trust interests therein), whether voting or nonvoting, and whether or not such share, warrant, option, right
or other interest is authorized or otherwise existing on any date of determination. 

  
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 “euro” or “€” are to the single currency introduced
at the third stage of the European Monetary Union pursuant to the treaty establishing the European Community, as amended. 

“Euroclear” means Euroclear S.A./N.V., as operator of the Euroclear System or any successor clearing agency. 

“Fair Market Value” means, (a) with respect to a security listed (or an unlisted convertible security that is
convertible into a security listed) on Nasdaq or have trading privileges on the New York Stock Exchange, the NYSE American, or another recognized national United States securities exchange, the London Stock Exchange, Euronext or another recognized
European securities exchange, the price of such security as reported on such exchange or market by any widely recognized reporting method customarily relied upon by financial institutions, and (b) with respect to any other asset, book value
(determined in accordance with GAAP). 
 “GAAP” means accounting principles generally accepted in the United States of
America, consistently applied, as in effect from time to time; provided that if, as of a particular date as of which compliance with the covenants contained in the Indenture is being determined, there have been changes in accounting
principles generally accepted in the United States of America from those that applied to the Issuer’s consolidated financial statements included in the Quarterly Report on Form 10-Q for the quarter ended
June 30, 2017, the Issuer may, in its sole discretion, determine compliance with the covenants contained in the Indenture using accounting principles generally accepted in the United States of America, consistently applied, as in effect as of
the end of any calendar quarter selected by the Issuer, in the Issuer’s sole discretion, that is on or after June 30, 2017 and prior to the date as of which compliance with the covenants in the Indenture is being determined (“Fixed
GAAP”), and, solely for purposes of calculating the covenants as of such date, “GAAP” shall mean Fixed GAAP. 

“Indenture” means the Base Indenture as supplemented by this Third Supplemental Indenture and as further amended, modified or
supplemented with respect to the Notes pursuant to the provisions of the Base Indenture. 
 “Intercompany Debt” means, as
of any date, Debt to which the only parties are the Issuer and any of its Subsidiaries, but only so long as that Debt is held solely by any of the Issuer and any of its Subsidiaries as of that date and, provided that, in the case of Debt owed by the
Issuer to any Subsidiary, the Debt is subordinated in right of payment to the holders of the Notes. 
 “Interest Expense”
means, for any period, the Issuer’s Pro Rata Share of interest expense for such period, with other adjustments as are necessary to exclude: (i) the effect of items classified as extraordinary items, in accordance with GAAP;
(ii) amortization of debt issuance costs; (iii) prepayment penalties and (iv) non-cash swap ineffectiveness charges. 

“Make-Whole Amount” means, in connection with any optional redemption of the Notes, the sum of the present values of the
remaining scheduled payments of principal and interest on the Notes being redeemed assuming that the Notes being redeemed matured on the Par Call Date (not including any portion of any payments of interest accrued to the Redemption Date), discounted
to the Redemption Date on an annual basis (ACTUAL/ACTUAL (ICMA)) at the applicable Comparable Government Bond Rate, plus 20 basis points. 

  
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 “Market Exchange Rate” means the rate mandated by the U.S. Federal Reserve
Board as of the close of business on the second Business Day prior to the relevant payment date or, in the event the U.S. Federal Reserve Board has not mandated a rate of conversion, on the basis of the most recent euro/U.S. dollar exchange rate
available on or prior to the second Business Day prior to the relevant payment date, as reported by Bloomberg, or if Bloomberg has not reported such exchange rate, the rate will be determined in the Issuer’s sole discretion on the basis of the
most recently available market exchange rate for euros. 
 “Marketable Securities” means: (a) common or preferred
Equity Interests which are listed on Nasdaq or have trading privileges on the New York Stock Exchange, the NYSE American, or another recognized national United States securities exchange, the London Stock Exchange, Euronext or another recognized
European securities exchange; (b) convertible securities which can be converted at any time into common or preferred Equity Interests of the type described in the immediately preceding clause (a); and (c) securities evidencing indebtedness
issued by Persons which have an investment grade credit rating by a nationally recognized statistical rating organization; provided that Marketable Securities shall not include any securities that are considered cash equivalents. 

“Paying Agent Corporate Trust Office” means either the principal corporate trust office of the Paying Agent at which at any
particular time its corporate trust business shall be administered, which office at the date of this Third Supplemental Indenture is located at Fifth Floor, 125 Old Broad Street, London EC2N 1AR, or such other address as the Paying Agent may
designate from time to time by notice to the Holders of the Notes and the Issuer. 
 “Pro Rata Share” means any applicable
figure or measure of the Issuer and its Subsidiaries on a consolidated basis, less any portion attributable to noncontrolling interests, plus the Issuer’s or its Subsidiaries’ allocable portion of such figure or measure, based on their
ownership interest, of unconsolidated joint ventures. For the avoidance of doubt, and except as otherwise specified in this Third Supplemental Indenture, so long as any of PS Business Parks and Shurgard Europe is not a Subsidiary of the Issuer, the
calculations of such figures or measures shall exclude the impact of any such entity that is not a Subsidiary. 

“Property” means a parcel (or group of related parcels) of real property. 

“Property EBITDA” means, for any period, the Issuer’s Pro Rata Share of EBITDA for such period adjusted to add back the
impact of corporate level general and administrative expenses. 
 “PS Business Parks” means PS Business Parks, Inc., PS
Business Parks, L.P. and any of their Subsidiaries and their respective successors and assigns. 
 “Redemption Date” means,
with respect to any Note or portion thereof to be redeemed in accordance with the provisions of Section 1.4(d) or 1.4(e) hereof, the date fixed for such redemption in accordance with the provisions of such section. 

  
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 “Reporting Date” means the date ending the most recently ended fiscal
quarter of the Issuer for which the Issuer’s consolidated financial statements are publicly available, it being understood that at any time when the Issuer is not subject to the informational requirements of the Exchange Act, the term
“Reporting Date” shall be deemed to refer to the date ending the fiscal quarter covered by the Issuer’s most recent quarterly financial statements delivered to the Trustee or, in the case of the last fiscal quarter of the year, the
Issuer’s annual financial statements delivered to the Trustee. 
 “Secured Debt” means Debt secured by any mortgage,
lien, pledge, encumbrance or security interest of any kind upon any of the Issuer’s Property or other assets or the Property or other assets of any Subsidiary. 

“Shurgard Europe” means Shurgard Self Storage SA and its Subsidiaries and their respective successors and assigns. 

“Subsidiary” means, for any Person, a corporation, partnership, joint venture, limited liability company or other entity, a
majority of the outstanding voting stock, partnership interests or membership interests, as the case may be, of which is owned or controlled, directly or indirectly, by such Person or by one or more other Subsidiaries of such Person and, for the
purposes of this definition, “voting stock, partnership interests, or membership interests” means interests having control over the selection of directors, managers, or trustees, as the case may be, whether at all times or only so long as
no senior interest has such voting power by reason of any contingency. Unless the context otherwise requires, “Subsidiary” refers to a Subsidiary of the Issuer. Notwithstanding the foregoing, none of the Persons comprising PS Business
Parks or Shurgard Europe shall at any time constitute or be considered to be a Subsidiary of the Issuer for any purpose of the Indenture so long as (a) any class of Equity Interests of the applicable holding company of PS Business Parks or
Shurgard Europe, as applicable, is publicly traded or (b) such holding company is not a wholly-owned subsidiary of the Issuer. 

“Total Assets” means, as of any date, the sum (without duplication) of: (a) the Capitalized Property Value of the Issuer
and its Subsidiaries, excluding Capitalized Property Value attributable to Properties acquired or disposed of by the Issuer or any Subsidiary during the four (4) consecutive quarters ending on such date and Development Properties; (b) all
cash and cash equivalents (excluding tenant deposits and other cash and cash equivalents the disposition of which is restricted) of the Issuer and its Subsidiaries at such time; (c) the Pro Rata Share of the current undepreciated book value of
Development Properties and all land held for development; (d) the Pro Rata Share of the purchase price paid by the Issuer or any Subsidiary (less the Pro Rata Share of any amounts paid to the Issuer or such Subsidiary as a purchase price
adjustment, held in escrow, retained as a contingency reserve, or in connection with other similar arrangements, and without regard to allocations of property purchase prices pursuant to Statement of Financial Accounting Standards No. 141 or
other provisions of GAAP) for any Property or business acquired by the Issuer or such Subsidiary during the four (4) consecutive quarters ending on such date; (e) the contractual purchase price of Properties of the Issuer and its
Subsidiaries subject to purchase obligations, repurchase obligations, forward commitments and unfunded obligations to the extent such obligations and commitments are included in determinations of Debt; and (f) the Fair Market Value of all
Marketable Securities owned by the 

  
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Issuer or any of its Subsidiaries, plus all other assets of the Issuer and its Subsidiaries (the value of which is determined in accordance with GAAP but excluding assets classified as intangible
under GAAP), excluding Equity Interests in Shurgard Europe or PS Business Parks if such interests are not Marketable Securities. The Issuer shall have the option to include Capitalized Property Value under clause (a) above from any such
Properties that are otherwise subject to valuation under clause (c) or (d) above; provided, however, that if such election is made, any value attributable to such Properties under clause (c) or (d) above shall be excluded
from the determination of the amount under clause (c) or (d). 
 “Unencumbered Assets” means, as of any date, Total
Assets as of such date less Encumbered Asset Value as of such date. 
 “United States Alien” means any person who, for
United States Federal income tax purposes, is a foreign corporation, a non-resident alien individual, a non-resident alien fiduciary of a foreign estate or trust, or a
foreign partnership one or more of the members of which is, for United States Federal income tax purposes, a foreign corporation, a nonresident alien individual or a non-resident alien fiduciary of a foreign
estate or trust. 
 “Unsecured Debt” means Debt that is not secured by any mortgage, lien, pledge, encumbrance or security
interest of any kind upon any of the Issuer’s Property or other assets or the Property or other assets of any Subsidiary. 

“U.S. dollars” and “$” means the currency of the United States of America. 

Section 1.2    Creation of the Notes. In accordance with Section 301 of the Base Indenture, the Issuer
hereby creates the Notes as a separate series of its senior debt securities, entitled “0.875% Senior Notes due 2032”, issued pursuant to the Indenture. The Notes shall initially be limited to an aggregate principal amount equal to
€500,000,000, subject to the exceptions set forth in Section 301(2) of the Base Indenture and Section 1.4(g) hereof. 

Section 1.3    Form of the Notes. 

(a)    The Notes will be issued in the form of one or more permanent fully registered global securities (the
“Global Note”). The Common Depository for the Global Notes will be Elavon Financial Services DAC or another Person designated as Common Depository for the Depository by Euroclear and Clearstream. So long as a Common Depository, or
its nominee, is the registered owner of the Global Note, such Common Depository or such nominee, as the case may be, will be considered the sole Holder of the Notes represented by the Global Note for all purposes under the Indenture. 

(b)    With respect to the Notes, the fourth paragraph of Section 305 of the Base Indenture is hereby amended and
restated to read as follows: 
 “Notwithstanding the foregoing, except as otherwise provided in or pursuant to the Indenture, the Global
Notes shall be exchangeable for definitive certificated Notes of like tenor in minimum denominations of €100,000 principal amount and integral multiples of €1,000 in excess thereof only if: (i) the Depository notifies

  
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the Issuer that it is unwilling or unable or no longer qualified to continue as a Depository for such Global Notes and the Issuer fails to appoint a successor Depository for such Global Notes
within 90 after this notice, (ii) the Issuer, in its sole option, notifies the Trustee in writing that the Issuer elects to cause the issuance of certificated Notes in definitive form or (iii) there has occurred and is continuing and Event
of Default with respect to the Notes.” 
 (c)    All transfers with respect to Notes in certificated form may be
executed at the office or agency maintained for such purpose by the Transfer Agent. No service charge will be made for any registration of transfer, but payment of a sum sufficient to cover any tax or governmental charge payable in connection with
that registration may be required. 
 Section 1.4    Terms and Provisions of the Notes. The Notes shall be
governed by all of the terms and provisions of the Base Indenture, as supplemented by this Third Supplemental Indenture, and in particular, the following provisions shall be terms of the Notes: 

(a)    Registration and Form. The Notes shall be issuable in registered form without coupons in minimum
denominations of €100,000 principal amount and integral multiples of €1,000 in excess thereof. Each Note shall be dated the date of its authentication and the Notes shall be substantially in the form of Exhibit A attached hereto. 

(b)    Payment of Principal and Interest. 

(1)    The Notes shall mature, and the unpaid principal thereon, shall be payable, on January 24, 2032, subject to
the provisions of the Base Indenture. The rate per annum at which interest shall be payable on the Notes shall be 0.875%. Interest on the Notes will be payable annually in arrears on each January 24, commencing on January 24, 2021 (each,
an “Interest Payment Date”) and on the Stated Maturity as specified in this Section 1.4(b), to the Persons in whose names the Notes are registered in the Security Register applicable to the Notes at the close of business on
January 9 (whether or not a Business Day) (each a “Record Date”) next preceding such Interest Payment Date. Interest on the Notes shall be computed on the basis of the actual number of days in the period for which interest is
being calculated and the actual number of days from and including the last date on which interest was paid on the Notes (or January 24, 2020 if no interest has been paid on the Notes), to but not including the next scheduled Interest Payment
Date (such payment convention is referred to as ACTUAL/ACTUAL (ICMA) as defined in the rulebook of the International Capital Market Association). Interest on the Notes shall accrue from January 24, 2020. 

(2)    All payments of principal, Make-Whole Amount, if any, and interest in respect of the Notes, including payments made
upon any redemption of the notes, and Additional Amounts, if any, shall be made in euros. Notwithstanding the first sentence of this clause (2), if the euro is unavailable to the Issuer due to the imposition of exchange controls or other
circumstances beyond the Issuer’s control or if the euro is no longer being used by the then member states of the European Monetary Union that have adopted the euro as their currency or for the settlement of transactions by public institutions
of or within the international banking community, then all payments in respect of the Notes will be made in U.S. dollars until the euro 

  
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is again available to the Issuer or so used. The amount payable on any date in euro will be converted into U.S. dollars on the basis of the Market Exchange Rate. Any payment in respect of the
Notes so made in U.S. dollars shall not constitute an Event of Default under the Indenture. Neither the Trustee nor the Paying Agent shall be responsible for obtaining exchange rates, effecting conversions or otherwise handling redenominations. 

(3)    All payments of principal, Make-Whole Amount, if any, and interest in respect of Global Notes, including payments
made upon any redemption of Notes, and Additional Amounts, if any, shall be made by the Issuer in immediately available funds to the Depository or its nominee, as the case may be, as the Holder of each of the Global Notes. All payments of principal,
Make-Whole Amount, if any, and interest in respect of Notes in certificated form, including payments made upon any redemption of Notes, and Additional Amounts, if any, may be executed at the office or agency maintained for such purpose in London
(initially the Paying Agent Corporate Trust Office) or, at the Issuer’s option, by check mailed to the Holders thereof at the respective addresses set forth in the Security Register, provided that all payments of principal, Make-Whole Amount,
if any, and interest in respect of Notes in certificated form, including payments made upon any redemption of Notes, and Additional Amounts, if any, for which the Holders thereof have given wire transfer instructions at least ten calendar days prior
to the applicable payment date, will be required to be made by wire transfer of immediately available funds to the accounts specified by the Holders thereof. 

(4)    In any case where any Interest Payment Date, Stated Maturity or Maturity of, or any other day on which a payment is
due with respect to, any Notes shall be a day which is not a Business Day, then payment need not be made on such day, but such payment may be made on the next succeeding day that is a relevant Business Day with the same force and effect as if made
on the Interest Payment Date, at the Stated Maturity or Maturity or on any such other payment date, as the case may be, and no interest shall accrue or be payable on the payment so deferred on such succeeding Business Day for the period from and
after such Interest Payment Date, Stated Maturity, Maturity or other payment date, as the case may be, to such succeeding Business Day. 

(c)    Sinking Fund. There shall be no sinking fund provided for the Notes. 

(d)    Redemption at the Option of the Issuer. 

(1)    The Issuer shall have the option to redeem the Notes at any time in whole, or from time to time in part, at a
redemption price (the “Redemption Price”) equal to the greater of (x) 100% of the aggregate principal amount of the Notes being redeemed; and (y) the Make-Whole Amount, if any, plus, in each case, accrued and unpaid interest on
such Notes to, but not including, the Redemption Date. Notwithstanding the foregoing, if the Notes are redeemed on or after October 24, 2031 (the “Par Call Date”), the Redemption Price will equal 100% of the aggregate principal
amount of the Notes being redeemed plus accrued and unpaid interest on such Notes to, but not including, the Redemption Date. 

  
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 (2)    The Issuer shall not redeem the Notes pursuant to
Section 1.4(d)(1) hereof on any date if the principal amount of the Notes has been accelerated, and such acceleration has not been rescinded or annulled on or prior to such date (except in the case of an acceleration resulting from a
default by the Issuer in the payment of the Redemption Price with respect to the Notes to be redeemed). 
 (3)    With
respect to the Notes, the first paragraph of Section 1104 of the Base Indenture is hereby amended and restated to read as follows: 

“Notice of redemption shall be given in the manner provided in Section 106, not less than 15 nor more than 60 days prior to the
Redemption Date; provided that while the Notes are represented by one or more Global Notes, notice of redemption may, at the Issuer’s option, instead be given to the Holders of the Notes (and beneficial interest therein) in accordance
with the applicable rules and regulations of Clearstream and Euroclear, and the Issuer will instruct the Trustee and Paying Agent accordingly. Failure to give notice in the manner herein provided to the Holder of any Registered Securities designated
for redemption as a whole or in part, or any defect in the notice to any such Holder, shall not affect the validity of the proceedings for the redemption of any other Securities or portions thereof.” 

(e)     Redemption for Tax Reasons. If the Issuer has or will become obliged to pay Additional Amounts with respect
to the Notes pursuant to Section 2.4 of this Third Supplemental Indenture as a result of any change in, or amendment to, the laws or regulations of the United States or any political subdivision or taxing authority thereof or therein, or any
change in official position regarding the application or interpretation of such laws, regulations or rulings, which change or amendment becomes effective on or after January 17, 2020, and the Issuer determines that such obligation cannot be
avoided by the use of reasonable measures then available to the Issuer, the Issuer may, at its option, at any time, having given not less than 15 nor more than 60 days’ prior written notice to Holders of the Notes, redeem, in whole, but not in
part, the Notes at a redemption price equal to 100% of their principal amount, together with accrued and unpaid interest, if any, on the Notes being redeemed to, but not including, the Redemption Date; provided that no such notice of
redemption shall be given earlier than 90 days prior to the earliest date on which the Issuer would be obliged to pay such Additional Amounts if a payment in respect to the Notes were due on such date. 

(f)    Payment of Notes Called for Redemption by the Issuer. 

(1)    If notice of redemption has been given as provided in Article Eleven of the Base Indenture (as amended by this
Third Supplemental Indenture) or Section 1.4(e) of this Third Supplemental Indenture, the Notes or portion of Notes with respect to which such notice has been given shall become due and payable on the Redemption Date and at the place or places
stated in such notice at the Redemption Price, and unless the Issuer shall default in the payment of such Notes at the Redemption Price, so long as the Paying Agent holds funds irrevocably deposited with it sufficient to pay the Redemption Price of
the Notes to be redeemed on the Redemption Date, then (a) such Notes will cease to be Outstanding on and after the date of the deposit, (b) interest on the Notes or portion of Notes so called for redemption shall cease to accrue on and
after the Redemption Date, and (c) the Holders of the Notes being redeemed shall 

  
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have no right in respect of such Notes except the right to receive the Redemption Price thereof. On surrender of such Notes at the place of payment specified in such notice, the said Notes or the
specified portions thereof shall be paid and redeemed by the Issuer at the Redemption Price, together with interest accrued thereon to, but not including, the Redemption Date. 

(2)    The Notes will not be convertible or exchangeable for any other security or property. 

(g)    Additional Issues. The Issuer may, from time to time, without the consent of or notice to the Holders of the
Notes, create and issue further notes having the same terms and conditions as the Notes in all respects, except for the issue date and, to the extent applicable, the issue price, the payment of interest accruing prior to the issue date and the first
Interest Payment Date. Additional notes issued in this manner shall be consolidated with, and shall form a single series with, the previously outstanding Notes; provided, however, that the issuance of such additional notes will not be
so consolidated for United States federal income tax purposes unless such issuance constitutes a “qualified reopening” within the meaning of the Internal Revenue Code of 1986, as amended, and the Treasury regulations promulgated
thereunder. 
 (h)    Listing of Notes. The Issuer may, from time to time, list the Notes on the New York Stock
Exchange or another national securities exchange. 
 Section 1.5    Book-Entry Provisions. This
Section 1.5 shall apply only to the Global Notes deposited with or on behalf of the Depository. 
 (a)    The
Issuer shall execute and the Trustee shall, in accordance with this Section 1.5 and Section 303 of the Base Indenture, authenticate and deliver the Global Notes that shall be registered in the name of the Common Depository or its nominee
and shall be held by the Common Depository or its nominee as custodian for the Depository. 
 (b)    Participants of the
Depository shall have no rights either under the Indenture or with respect to the Global Notes. The Common Depository or its nominee, as applicable, shall be treated by the Issuer, the Trustee and any agent of the Issuer or the Trustee as the
absolute owner and Holder of each such Global Note for all purposes under the Indenture. Notwithstanding the foregoing, nothing herein shall prevent the Issuer or the Trustee from giving effect to any written certification, proxy or other
authorization furnished by the Common Depository or its nominee, as applicable, or impair, as between the Depository and its participants, the operation of customary practices of such Depository governing the exercise of the rights of an owner of a
beneficial interest in the Global Notes. 

  
 12 

 ARTICLE TWO 

ADDITIONAL COVENANTS FOR BENEFIT OF HOLDERS OF NOTES 

In addition to the covenants set forth in the Base Indenture, the Issuer hereby further covenants as follows, the following covenants being
for the sole benefit of the Holders of the Notes: 
 Section 2.1    Limitations on Incurrence of Debt. 

(a)    Aggregate Debt Test. The Issuer will not, and will not permit any of its Subsidiaries to, incur any Debt if,
immediately after giving effect to the incurrence of such Debt and any other Debt incurred or repaid since the end of the most recent Reporting Date prior to the incurrence of such Debt and the application of the proceeds from such Debt and such
other Debt on a pro forma basis, the aggregate principal amount of the Issuer’s Debt would exceed 65% of the sum of the following (without duplication): (1) the Issuer’s Total Assets as of such Reporting Date; (2) the aggregate
purchase price of any assets acquired, and the aggregate amount of proceeds received from any incurrence of other Debt and any securities offering proceeds received (to the extent such proceeds were not used to acquire assets or used to reduce
Debt), by the Issuer or any of its Subsidiaries since the end of the most recent Reporting Date prior to the incurrence of such Debt; and (3) the proceeds or assets obtained from the incurrence of such Debt and other securities issued as part
of the same transaction on a pro forma basis (including assets to be acquired in exchange for debt assumption and security issuance as in the case of a merger). 

(b)    Secured Debt Test. The Issuer will not, and will not permit any of its Subsidiaries to, incur any Secured
Debt if, immediately after giving effect to the incurrence of such Secured Debt and any other Secured Debt incurred or repaid since the end of the most recent Reporting Date prior to the incurrence of such Secured Debt and the application of the
proceeds from such Secured Debt and such other Secured Debt on a pro forma basis, the aggregate principal amount of the Issuer’s Secured Debt would exceed 50% of the sum of the following (without duplication): (1) the Issuer’s Total Assets
as of such Reporting Date; (2) the aggregate purchase price of any assets acquired, and the aggregate amount of proceeds received from any incurrence of other Debt and any securities offering proceeds received (to the extent such proceeds were
not used to acquire assets or used to reduce Debt), by the Issuer or any of its Subsidiaries since the end of the most recent Reporting Date prior to the incurrence of such Debt; and (3) the proceeds or assets obtained from the incurrence of
such Secured Debt and other securities issued as part of the same transaction on a pro forma basis (including assets to be acquired in exchange for debt assumption and security issuance as in the case of a merger). 

(c)    Debt Service Test. The Issuer will not, and will not permit any of its Subsidiaries to, incur any Debt if,
immediately after giving effect to the incurrence of such Debt and the application of the proceeds from such Debt on a pro forma basis, the ratio of Adjusted EBITDA to Interest Expense for the four (4) consecutive fiscal quarters ended on the
most recent Reporting Date prior to the incurrence of such Debt would be less than 1.50 to 1.00, and calculated on the following assumptions (without duplication): (1) such Debt and any other Debt 

  
 13 

 
incurred since such Reporting Date and outstanding on the date of determination had been incurred, and the application of the proceeds from such Debt (including to repay or retire other Debt) had
occurred, on the first day of such four-quarter period; (2) the repayment or retirement of any other Debt since such Reporting Date had occurred on the first day of such four-quarter period; and (3) in the case of any acquisition or
disposition by the Issuer or any of its Subsidiaries of any asset or group of assets since such Reporting Date, whether by merger, stock purchase or sale or asset purchase or sale or otherwise, such acquisition or disposition had occurred as of the
first day of such four-quarter period with the appropriate adjustments with respect to such acquisition or disposition being included in such pro forma calculation. If any Debt incurred during the period from such Reporting Date to the date of
determination bears interest at a floating rate, then, for purposes of calculating the Interest Expense, the interest rate on such Debt will be computed on a pro forma basis as if the average daily rate during such interim period had been the
applicable rate for entire relevant four-quarter period. For purposes of the foregoing, Debt will be deemed to be incurred by a Person whenever such Person creates, assumes, guarantees or otherwise becomes liable in respect thereof. 

(d)    Maintenance of Total Unencumbered Assets. As of each Reporting Date, the Issuer’s Unencumbered Assets
will not be less than 125% of the Issuer’s Unsecured Debt. 
 Section 2.2    Covenant Defeasance and Waiver
of Covenant. The covenants set forth in Section 2.1 shall be subject to covenant defeasance under Section 402(3) of the Base Indenture and subject to waiver under Section 1006 thereof. 

Section 2.3    Merger, Consolidation or Sale. The Issuer may consolidate with or into, or sell, assign,
convey, transfer or lease all or substantially all of its property and assets to, any other entity, provided that: 
  

	 	(1)	 it shall be the continuing entity, or the successor entity (if other than the Issuer) formed by or resulting
from such consolidation or merger or which shall have received such sale, assignment, conveyance, transfer or lease of property and assets shall be an entity domiciled in the United States of America, any state thereof or the District of Columbia
and shall expressly assume by supplemental indenture payment of the principal of and interest on all of the Notes, and the due and punctual performance and observance of all of the covenants and conditions in the Indenture; 

 

	 	(2)	 immediately after giving effect to the transaction and treating the Pro Rata Share of any indebtedness which
becomes the Issuer’s obligation or the obligation of a Subsidiary or any of its unconsolidated joint ventures as a result thereof and is not repaid substantially concurrently with the transaction as having been incurred by the Issuer, that
Subsidiary or that unconsolidated joint venture at the time of the transaction, no Event of Default under the Indenture, and no event which, after notice or the lapse of time, or both, would become an Event of Default, shall have occurred and be
continuing; and 

  

	 	(3)	 an officer’s certificate and legal opinion covering these conditions is delivered to the Trustee.

  
 14 

 Section 2.4    Payment of Additional Amounts. All payments,
including payments of principal, Make-Whole Amount, if any, and interest, made in respect of the Notes will be made free and clear of, and without withholding or deduction (including such deductions and withholdings applicable to Additional Amounts)
for, or on account of, any present or future tax, duty, assessment or other governmental charge of whatever nature imposed, levied or collected by the United States (or any political subdivision or taxing authority thereof or therein), unless such
withholding or deduction is required by law or the official interpretation or administration thereof. The Issuer shall, subject to the exceptions and limitations set forth below, pay as Additional Amounts to a Holder that is a United States Alien
such amounts as may be necessary so that every net payment made in respect of such Note after deduction or withholding for, or on account of, any present or future tax, duty, assessment or other governmental charge of whatever nature imposed, levied
or collected as a result of such payment by the United States (or any political subdivision or taxing authority thereof or therein), will not be less than the amount provided for in such Note to be then due and payable; provided,
however, that the Issuer will not be required to make any payment of Additional Amounts for or on account of: 
 (a) any tax,
assessment or other governmental charge that would not have been imposed but for (i) the existence of any present or former connection (other than a connection arising solely as a result of the ownership of the Notes, the receipt of any payment
in respect of the Notes or the enforcement of any rights hereunder) between such Holder (or between a fiduciary, settlor or beneficiary of, or a person holding a power over, such Holder, if such Holder is an estate or a trust, or a member or
shareholder of such Holder, if such Holder is a partnership or corporation) and the United States, including, without limitation, such Holder (or such fiduciary, settlor, beneficiary, person holding a power, member or shareholder) being or having
been a citizen or resident or treated as a resident of the United States or being or having been engaged in trade or business in the United States or having or having had a permanent establishment therein, or (ii) the presentation by the Holder
of the Note for payment more than 30 days after the date on which the payment became due and payable or the date on which payment thereof is duly provided for and notice thereof given to Holders of the Notes, whichever occurs later; 

(b) any estate, inheritance, gift, sales, transfer, personal property or any similar tax, assessment or other governmental charge; 

(c) any tax, assessment or other governmental charge that would not have been imposed but for such Holder’s past or present status as a
controlled foreign corporation, passive foreign investment company (including a qualified electing fund) or foreign private foundation or other tax exempt organization with respect to the United States or as a corporation that accumulates earnings
to avoid United States Federal income tax; 
 (d) any tax, assessment or other governmental charge that is payable otherwise than by
deduction or withholding from a payment on a Note; 
 (e) any tax, assessment or other governmental charge required to be deducted or
withheld by any paying agent from any payment on a Note, if such payment can be made without such deduction or withholding by any other paying agent; 

  
 15 

 (f) any tax, assessment or other governmental charge that would not have been imposed but
for the Holder’s failure to comply with any applicable certification, information, documentation or other reporting requirement concerning the nationality, residence, identity or connection with the United States of the Holder or beneficial
owner of a Note if, without regard to any tax treaty, such compliance is required by statute or regulation of the United States as a precondition to relief or exemption from such tax, assessment or other governmental charge; 

(g) any tax, assessment or other governmental charge imposed by reason of the Holder (i) owning or having owned, directly or indirectly,
actually or constructively, 10% or more of the total combined voting power of all classes of stock of the Issuer entitled to vote, (ii) receiving interest described in Section 881(c)(3)(A) of the United States Internal Revenue Code or
(iii) being a controlled foreign corporation with respect to the United States that is related to the Issuer by actual or constructive stock ownership; 

(h) any tax, assessment or other governmental charge that is imposed on a payment pursuant to Sections 1471 through 1474 of the United States
Internal Revenue Code (FATCA), any Treasury regulations and official interpretations thereof, and any regulations or official law, agreement or interpretations thereof implementing an intergovernmental approach thereto; or 

(i) any combination of items (a), (b), (c), (d), (e), (f), (g) and (h); 

nor shall such Additional Amounts be paid with respect to any payment on a Note to a Holder that is a fiduciary or partnership or other than the sole
beneficial owner of such payment to the extent a beneficiary or settlor with respect to such fiduciary or a member of such partnership or a beneficial owner would not have been entitled to the Additional Amounts had such beneficiary, settlor, member
or beneficial owner been the Holder of such Note. 
 For purposes of the foregoing, the holding of or the receipt of any payment with
respect to a Note shall not constitute a connection between the Holder (or between a fiduciary, settlor, beneficiary, member or shareholder of, or a person having power over, such Holder if such Holder is an estate, a trust, a partnership or a
corporation) and the United States. 
 Whenever in the Indenture (including the Notes) there is referenced, in any context, the payment of
amounts based on the payment of principal of, or premium, if any, or interest on, the Notes, or any other amount payable thereunder or with respect thereto, such reference will be deemed to include the payment of Additional Amounts as described
under this 2.4 to the extent that, in such context, Additional Amounts are, were or would be payable in respect thereof. The Additional Amounts as defined above shall constitute “Additional Amounts” for purposes of the Base Indenture. 

ARTICLE THREE 
 TRUSTEE AND AGENTS

 Section 3.1    Agents. Elavon Financial Services DAC, UK Branch, shall be the initial Paying Agent for
the Notes and for the purposes of Section 1002 of the Base Indenture. The Issuer may subsequently appoint a different or additional Paying Agent for the Notes and for the 

  
 16 

 
purposes of Section 1002 of the Base Indenture. U.S. Bank National Association shall be the initial Registrar for the Notes. Upon notice to the Trustee, the Issuer may subsequently appoint a
different or additional Registrar and Transfer Agent for the Notes. Following receipt of a notice of resignation from the Paying Agent, Registrar or Transfer Agent (collectively, the “Agents”), the Issuer shall promptly, and in any
event not less than 30 days before the resignation takes effect, give notice to the Holders of the Notes in accordance with the Indenture. If any Agent shall resign or be removed, the Issuer shall promptly and in any event within 30 days appoint a
successor. If the Issuer fails to appoint a successor within such period, the applicable Agent may select a leading bank approved by the Issuer to act as Paying Agent, Registrar or Transfer Agent hereunder, as applicable, and the Issuer shall
appoint that bank as the successor registrar for the Notes and for the purposes of Section 1002 of the Base Indenture. 

Section 3.2    Trustee. The Trustee shall not be responsible in any manner whatsoever for or in respect of the
validity or sufficiency of this Third Supplemental Indenture or the due execution hereof by the Issuer. The recitals of fact contained herein shall be taken as the statements solely of the Issuer, and the Trustee assumes no responsibility for the
correctness thereof. 
 Section 3.3    Preferential Collection of Claims. If the Trustee shall be or become
a creditor of the Issuer (or any other obligor upon the Notes), the Trustee shall be subject to the provisions of the Trust Indenture Act regarding the collection of the claims against the Issuer (or any such other obligor). The Trustee is permitted
to engage in other transactions with the Issuer and its Affiliates. If, however, it acquires any conflicting interest under the Trust Indenture Act relating to any of its duties with respect to the Notes, it must eliminate that conflict or resign,
subject to its right under the Trust Indenture Act to seek a stay of its duty to resign. 

Section 3.4    Calculation with Respect to the Notes. The Issuer shall be responsible for making all
calculations required under this Third Supplemental Indenture or with respect to the Notes. The Issuer will make such calculations in good faith and, absent manifest error, the Issuer’s calculations will be final and binding on the Trustee
and the Holders of the Notes. The Issuer shall provide a schedule of its calculations to the Trustee promptly after it makes such calculations, and the Trustee shall be entitled to rely upon the accuracy of the Issuer’s calculations without
independent verification. The Trustee shall forward the Issuer’s calculations to any Holder of the Notes upon request of the Issuer. 

  
 17 

 ARTICLE FOUR 

MISCELLANEOUS PROVISIONS 

Section 4.1    Ratification of Base Indenture. This Third Supplemental Indenture is executed and shall be
construed as an indenture supplemental to the Base Indenture, and as supplemented and modified hereby, the Base Indenture is in all respects ratified and confirmed, and the Base Indenture and this Third Supplemental Indenture shall be read, taken
and construed as one and the same instrument. In the event of a conflict between the language of this Third Supplemental Indenture and the Base Indenture, the language of this Third Supplemental Indenture shall control. 

Section 4.2    Effect of Headings. The Article and Section headings herein are for convenience only
and shall not affect the construction hereof. 
 Section 4.3    Successors and Assigns. All covenants and
agreements in this Third Supplemental Indenture by the Issuer shall bind its successors and assigns, whether so expressed or not. 

Section 4.4    Separability Clause. In case any one or more of the provisions contained in this Third
Supplemental Indenture shall for any reason be held to be invalid, illegal or unenforceable in any respect, the validity, legality and enforceability of the remaining provisions shall not in any way be affected or impaired thereby. 

Section 4.5    Governing Law. This Third Supplemental Indenture shall be governed by, and construed in
accordance with, the laws of the State of New York. This Third Supplemental Indenture is subject to the provisions of the Trust Indenture Act, that are required to be part of this Third Supplemental Indenture and shall, to the extent applicable, be
governed by such provisions. 
 Section 4.6    Counterparts. This Third Supplemental Indenture may be
executed in several counterparts, each of which shall be an original and all of which shall constitute one and the same instrument. The exchange of copies of this Third Supplemental Indenture and of signature pages by facsimile or PDF transmission
shall constitute effective execution and delivery of this Third Supplemental Indenture as to the parties hereto and may be used in lieu of the original Indenture for all purposes. Signatures of the parties hereto transmitted by facsimile or PDF
shall be deemed to be their original signatures for all purposes. 
 [Signature pages follow] 

  
 18 

 IN WITNESS WHEREOF, the parties hereto have caused this Third Supplemental Indenture to be
duly executed all as of the day and year first above written. 
  

			
	PUBLIC STORAGE
as Issuer
		
	By:	 	 /s/ H. Thomas Boyle

	Name:	 	H. Thomas Boyle
	Title:	 	Senior Vice President and Chief Financial Officer

 [Signature Page to Third Supplemental Indenture] 

 
			
	WELLS FARGO BANK, NATIONAL ASSOCIATION, as Trustee
		
	By:	 	 /s/ Maddy Hughes

	Name:	 	Maddy Hughes
	Title:	 	Vice President

 [Signature Page to Third Supplemental Indenture] 

 EXHIBIT A 

Form of 0.875% Senior Note due 2032 
 THIS
GLOBAL NOTE IS HELD BY OR ON BEHALF OF THE DEPOSITORY (AS DEFINED IN THE THIRD SUPPLEMENTAL INDENTURE GOVERNING THIS NOTE) OR ITS NOMINEE IN CUSTODY FOR THE BENEFIT OF THE BENEFICIAL OWNERS HEREOF, AND IS NOT TRANSFERABLE TO ANY PERSON UNDER ANY
CIRCUMSTANCES EXCEPT THAT (1) THE TRUSTEE MAY MAKE SUCH NOTATIONS HEREON AS MAY BE REQUIRED PURSUANT TO SECTION 305 OF THE BASE INDENTURE, (2) THIS GLOBAL NOTE MAY BE EXCHANGED IN WHOLE BUT NOT IN PART PURSUANT TO
SECTION 305 OF THE BASE INDENTURE, (3) THIS GLOBAL NOTE MAY BE DELIVERED TO THE TRUSTEE FOR CANCELLATION PURSUANT TO SECTION 309 OF THE BASE INDENTURE AND (4) THIS GLOBAL NOTE MAY BE TRANSFERRED TO A SUCCESSOR
DEPOSITORY WITH THE PRIOR WRITTEN CONSENT OF THE ISSUER. 
 UNLESS AND UNTIL IT IS EXCHANGED IN WHOLE OR IN PART FOR NOTES IN DEFINITIVE FORM, THIS
NOTE MAY NOT BE TRANSFERRED EXCEPT AS A WHOLE BY THE DEPOSITORY TO A NOMINEE OF THE DEPOSITORY OR BY A NOMINEE OF THE DEPOSITORY TO THE DEPOSITORY OR ANOTHER NOMINEE OF THE DEPOSITORY OR BY THE DEPOSITORY OR ANY SUCH NOMINEE TO A SUCCESSOR
DEPOSITORY OR A NOMINEE OF SUCH SUCCESSOR DEPOSITORY. UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF EUROCLEAR BANK, SA/NV (“EUROCLEAR”) OR CLEARSTREAM BANKING, S.A. (“CLEARSTREAM” AND TOGETHER WITH
EUROCLEAR, EACH A “DEPOSITORY”), TO THE ISSUER OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF THE COMMON DEPOSITORY OR ITS NOMINEE OR TO SUCH OTHER ENTITY AS IS
REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF ELAVON FINANCIAL SERVICES DAC, AS COMMON DEPOSITORY FOR EUROCLEAR AND CLEARSTREAM (THE “COMMON DEPOSITORY”) (AND ANY PAYMENT IS MADE TO THE COMMON DEPOSITORY OR SUCH OTHER ENTITY AS MAY BE
REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, THE COMMON DEPOSITORY OR ITS NOMINEE, HAS AN
INTEREST HEREIN. 

 PUBLIC STORAGE 

0.875% SENIOR NOTE DUE 2032 

No. [●] 
 Common Code: 210849009 

ISIN No.: XS2108490090 
 CUSIP No.: 74460DAE9 

€ [●] 
 Public Storage, a
Maryland real estate investment trust (herein called the “Issuer,” which term includes any successor entity under the Indenture referred to on the reverse hereof), for value received hereby promises to pay to [USB Nominees (UK)
Limited, as nominee for the Common Depository on behalf of Euroclear or Clearstream]*, or its registered assigns, the principal sum of [●] EURO (€ [●]), [or such lesser
amount as is set forth in the Schedule of Increases or Decreases In the Global Note on the other side of this Note]*, on January 24, 2032 at the office or agency of the Issuer maintained for that purpose in accordance with the terms of the
Indenture, in euro, subject to Section 1.4(b)(2) of the Third Supplemental Indenture, and to pay interest, annually on January 24 of each year, commencing January 24, 2021 on said principal sum at said office or agency, in like coin
or currency, at the rate per annum of 0.875%, from the immediately preceding interest payment date to which interest has been paid or duly provided for, unless no interest has been paid or duly provided for on the Notes, in which case from
January 24, 2020 until payment of said principal sum has been made or duly provided for. Unless otherwise provided in or pursuant to the Indenture, at the option of the Issuer, interest on the Notes due and payable on any Interest Payment Date
may be paid by mailing a check to the address of the Person entitled thereto as such address shall appear in the Security Register; provided, that the Paying Agent shall have received appropriate wire transfer instructions at least five
Business Days prior to the Interest Payment Date. Any such interest which is punctually paid or duly provided for on any Interest Payment Date shall be paid to the Person in whose name this Note (or one or more Predecessor Securities) is registered
as of the close of business on the January 9 (whether or not a Business Day) next preceding such Interest Payment Date. 
 Reference is made to the
further provisions of this Note set forth on the reverse hereof and the Indenture governing this Note. Such further provisions shall for all purposes have the same effect as though fully set forth at this place. 

This Note shall not be valid or become obligatory for any purpose until the certificate of authentication hereon shall have been signed
manually by the Trustee or a duly authorized authenticating agent under the Indenture. 
  

	* 	 Include only if the Note is issued in global form. 

  
 A-2 

 IN WITNESS WHEREOF, the Issuer has caused this Note to be duly executed. 

Dated: __________, _____ 
  

			
	 PUBLIC STORAGE
 as
Issuer

 
			
		
	By:	 	  

	Name:	 	
	Title:	 	

  
 A-3 

 TRUSTEE’S CERTIFICATE OF AUTHENTICATION 

This is one of the Securities of the series designated therein referred to in the within-named Indenture. 

Dated: __________, _____ 
  

			
	WELLS FARGO BANK, NATIONAL
ASSOCIATION, as Trustee
		
	By:	 	  

		 	Authorized Signatory

  
 A-4 

 REVERSE SIDE OF NOTE 

PUBLIC STORAGE 
 0.875%
SENIOR NOTE DUE 2032 
 This Note is one of a duly authorized issue of Notes of the Issuer, designated as its 0.875% Senior Notes due 2032 (herein
called the “Notes”), issued under and pursuant to an Indenture dated as of September 18, 2017 (herein called the “Base Indenture”), between the Issuer and Wells Fargo Bank, National Association, as trustee
(herein called the “Trustee”), as supplemented by the Third Supplemental Indenture dated as of January 24, 2020 (herein called the “Third Supplemental Indenture,” and together with the Base Indenture, the
“Indenture”), between the Issuer and the Trustee, to which Indenture and any indentures supplemental thereto reference is hereby made for a description of the rights, limitations of rights, obligations, duties and immunities
thereunder of the Trustee, the Issuer and the Holders of the Notes. Defined terms used but not otherwise defined in this Note shall have the respective meanings ascribed thereto in the Indenture. 

The Issuer shall have the option to redeem the Notes at any time in whole, or from time to time in part, at a redemption price (the “Redemption
Price”) equal to the greater of: (x) 100% of the aggregate principal amount of the Notes being redeemed; and (y) the Make-Whole Amount, if any, plus, in each case, accrued and unpaid interest on such Notes to, but not including,
the Redemption Date. If the Notes are redeemed on or after the Par Call Date, the Redemption Price will not include the Make-Whole Amount. Notwithstanding the foregoing, if the Notes are redeemed on or after October 24, 2031, the redemption
price will equal 100% of the aggregate principal amount of the Notes being redeemed plus accrued and unpaid interest on such Notes to, but not including, the Redemption Date. 

All payments, including payments of principal, Make-Whole Amount, if any, and interest, made in respect of the Notes will be made free and clear of, and
without withholding or deduction (including such deductions and withholdings applicable to Additional Amounts) for, or on account of, any present or future tax, duty, assessment or other governmental charge of whatever nature imposed, levied or
collected by the United States (or any political subdivision or taxing authority thereof or therein), unless such withholding or deduction is required by law or the official interpretation or administration thereof. The Issuer will pay as additional
amounts (“Additional Amounts”) to a Holder that is a United States Alien such amounts as may be necessary so that every net payment made in respect of such Note after deduction or withholding for, or on account of, any present or
future tax, duty, assessment or other governmental charge of whatever nature imposed, levied or collected as a result of such payment by the United States (or any political subdivision or taxing authority thereof or therein), will not be less than
the amount provided for in such Note to be then due and payable; provided, however, that the Issuer will not be required to make any payment of Additional Amounts to the extent of an exception provided for in Section 2.4 of the
Third Supplemental Indenture applies. 

  
 A-5 

 If the Issuer has or will become obliged to pay Additional Amounts with respect to the Notes as a result of
any change in, or amendment to, the laws or regulations of the United States or any political subdivision or taxing authority thereof or therein, or any change in official position regarding the application or interpretation of such laws,
regulations or rulings, which change or amendment becomes effective on or after January 17, 2020, and the Issuer determines that such obligation cannot be avoided by the use of reasonable measures then available to the Issuer, the Issuer may,
at its option, at any time, having given not less than 15 nor more than 60 days’ prior written notice to Holders of the Notes, redeem, in whole, but not in part, the Notes at a redemption price equal to 100% of their principal amount, together
with accrued and unpaid interest, if any, on the Notes being redeemed to, but not including, the Redemption Date; provided that no such notice of redemption shall be given earlier than 90 days prior to the earliest date on which the Issuer
would be obliged to pay such Additional Amounts if a payment in respect to the Notes were due on such date. 
 The Issuer shall not redeem the Notes
pursuant to Section 1.4(d)(1) of the Third Supplemental Indenture on any date if the principal amount of the Notes has been accelerated, and such acceleration has not been rescinded or annulled on or prior to such date (except in the case of an
acceleration resulting from a default by the Issuer in the payment of the Redemption Price with respect to the Notes to be redeemed). 
 If an Event of
Default (other than an Event of Default specified in Section 501(5), 501(6) or 501(7) of the Base Indenture) occurs and is continuing, the principal of, premium, if any, and accrued and unpaid interest on all Notes may be declared to
be due and payable by either the Trustee or the Holders of at least twenty five percent (25%) in aggregate principal amount of the Notes then outstanding, and, upon said declaration the same shall be immediately due and payable. If an Event of
Default specified in Section 501(5), 501(6) or 501(7) of the Base Indenture occurs, the principal of and premium, if any, and interest accrued and unpaid on all the Notes shall be immediately and automatically due and payable without
necessity of further action. 
 The Indenture contains provisions permitting the Issuer and the Trustee, with the consent of the Holders of not less than a
majority in aggregate principal amount of the Notes at the time outstanding, to execute supplemental indentures adding any provisions to or changing in any manner or eliminating any of the provisions of the Indenture or of any supplemental indenture
with respect to the Notes or modifying in any manner the rights of the Holders of the Notes, subject to exceptions set forth in Section 902 of the Base Indenture. Subject to the provisions of the Indenture, the Holders of not less than a
majority in aggregate principal amount of the Notes at the time outstanding may, on behalf of the Holders of all of the Notes, waive any past default or Event of Default with respect to the Notes, subject to exceptions set forth in the Indenture.

 No reference herein to the Indenture and no provision of this Note or of the Indenture shall impair, as among the Issuer and the Holder of the Notes, the
obligation of the Issuer, which is absolute and unconditional, to pay the principal of, premium, if any, on and interest on this Note at the place, at the respective times, at the rate and in the coin or currency herein and in the Indenture
prescribed. 

  
 A-6 

 Interest on the Notes shall be computed on the basis the actual number of days in the period for which
interest is being calculated and the actual number of days from and including the last date on which interest was paid on the Notes (or January 24, 2020 if no interest has been paid on the Notes), to but not including the next scheduled
interest payment date (such payment convention is referred to as ACTUAL/ACTUAL (ICMA) as defined in the rulebook of the International Capital Market Association). 

The Notes are issuable in fully registered form, without coupons, in minimum denominations of €100,000 principal amount and any multiple of €1,000
in excess thereof. At the office or agency of the Issuer referred to on the face hereof, and in the manner and subject to the limitations provided in the Indenture, without payment of any service charge but with payment of a sum sufficient to cover
any tax, assessment or other governmental charge that may be imposed in connection with any registration of transfer or exchange of Notes, Notes may be transferred or may be exchanged for a like aggregate principal amount of Notes of any other
authorized denominations. 
 The Issuer shall have the right to redeem the Notes under certain circumstances as set forth in Section 1.4(d) and
Section 1.4(e) of the Third Supplemental Indenture and Article Eleven of Base Indenture. 
 The Notes are not subject to redemption through the
operation of any sinking fund. 
 Except to the extent expressly provided in Article Sixteen of the Base Indenture, no recourse for the payment of the
principal of or any premium or interest on this Note, or for any claim based hereon or otherwise in respect hereof, and no recourse under or upon any obligation, covenant or agreement of the Issuer in the Indenture or any supplemental indenture or
in any Note, or because of the creation of any indebtedness represented thereby, shall be had against any past, present or future general partner, limited partner, member, employee, incorporator, controlling person, stockholder, officer, director or
agent, as such, of the Issuer or of any of the Issuer’s predecessors or successors, either directly or through the Issuer, under any rule of law, statute or constitutional provision or by the enforcement of any assessment or by any legal
or equitable proceeding or otherwise, all such liability being expressly waived and released by the acceptance of the Notes by the Holders thereof and as part of the consideration for the issue of the Notes. 

  
 A-7 

 ASSIGNMENT FORM 

To assign this Note, fill in the form below: 

(I) or (we) assign and transfer this Note to: ___________________________________________________________________________________________________________ 

___________________________________________________________________________________________________________ 

(Insert assignee’s legal name) 

___________________________________________________________________________________________________________ 

___________________________________________________________________________________________________________ 

___________________________________________________________________________________________________________ 

___________________________________________________________________________________________________________ 

___________________________________________________________________________________________________________ 

(Print or type assignee’s name, address and zip code) 
 and
irrevocably appoint _______________________________ to transfer this Note on the books of the Issuer. The agent may substitute another to act for him. 

Date: _______________________________________ 
  

	
	Your Signature:
	  

	(Sign exactly as your name appears on the face of this Note)

 Signature Guarantee*: ___________________________________________ 

 

	*	 Participant in a recognized Signature Guarantee Medallion Program (or other signature guarantor acceptable to
the Trustee). 

  
 A-8 

 SCHEDULE OF INCREASES OR DECREASES IN THE GLOBAL NOTE * 

The following increases or decreases in the principal amount of this Global Note have been made: 

 

																	
	 Date of

Increase or

Decrease
	 	Amount of
decrease in
Principal Amount
at maturity of
this Global Note	 	  	Amount of
increase in
Principal Amount
at maturity of
this Global Note	 	  	Principal Amount
at maturity of
this Global Note
following such
decrease 
(or
increase)	 	  	Signature of
authorized officer
of Trustee or
Custodian	 
		 				  				  				  			
		 				  				  				  			
		 				  				  				  			
		 				  				  				  			

  

	*	 This schedule should be included only if the Note is issued in global form. 

  
 A-9Exhibit 10.1

 

SELECT ENERGY SERVICES, INC.

2016 EQUITY INCENTIVE PLAN

 

GLOBAL AMENDMENT TO

PERFORMANCE SHARE UNIT GRANT NOTICES
AND AGREEMENTS

 

This Global Amendment
to Performance Share Unit Grant Notices and Agreements (this “Amendment”) is hereby adopted by Select
Energy Services, Inc., a Delaware corporation (the “Company”), as of January 22, 2020 (the “Effective
Date”). Capitalized terms used but not defined herein shall have the meanings assigned to such terms in the Select
Energy Services, Inc. 2016 Equity Incentive Plan (as amended, the “Plan”).

 

WHEREAS, during
2018 and 2019, the Company has previously granted performance share units under the Plan to Participants pursuant to the terms
and conditions of Performance Share Unit Grant Notices and Performance Share Unit Agreements between the Company and such Participants
(collectively, the “Outstanding Award Agreements”);

 

WHEREAS, pursuant
to the Plan and the Outstanding Award Agreements, the terms and conditions of the Outstanding Award Agreements may be amended without
the consent of any Participant, provided that such amendment does not materially reduce the rights of any Participant who holds
an Award subject to such amendment; and

 

WHEREAS, the
Company desires to amend each Outstanding Award Agreement to clarify the terms of the Performance Goal (as defined in the Outstanding
Award Agreements) as set forth herein.

 

NOW, THEREFORE,
in consideration of the foregoing, effective as of the Effective Date, the Outstanding Award Agreements are hereby amended as follows:

 

1.                 
The definition of “Adjusted Net Income” is hereby deleted in its entirety and replaced with the following:

 

“(ii) “Adjusted
Net Income” means the product obtained by multiplying:

 

(A) the difference
obtained from:

 

(i) “EBITDA”,
as calculated in accordance with that certain Credit Agreement dated as of November 1, 2017, among the Company, SES Holdings, LLC,
Wells Fargo Bank, National Association, JPMorgan Chase Bank, N.A., and the lenders party thereto (the “Credit Agreement”);
provided, however, that the adjustments set forth in such definition in the Credit Agreement shall exclude certain items, including
(x) any net non-cash gain or loss during such period arising from the sale, exchange, retirement or other disposition of capital
assets (such term to include all fixed assets and all securities) in the ordinary course of business, and (y) any write-up or write-down
of tangible assets , less

 

(ii) the sum of:

 

(a) interest
expense, plus

 

(b) depreciation
expense,

 

by

 

(B) 0.79; and”

 

2.                 
Exhibit B to the Outstanding Award Agreements and all cross references thereto shall be deleted in their entirety

 

3.                 
Except as expressly amended hereby, the Outstanding Award Agreements shall remain in full force and effect and are specifically
ratified and reaffirmed.

 

[Remainder of Page Intentionally Blank]

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