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END-RILA-TPAR(9/20)  PRUDENTIAL ANNUITIES LIFE ASSURANCE CORPORATION, PHOENIX, ARIZONA    TIERED PARTICIPATION RATE INDEX STRATEGY ENDORSEMENT    ANNUITY NUMBER: [001-00001]    EFFECTIVE DATE: [Contract Issue Date]    This Endorsement is made part of your Annuity and describes the Tiered Participation Rate Index  Strategy. The Indices and values provided below are applicable to your Annuity on the Effective Date.  Other Buffers, Indices, and Index Terms may be available and may vary in the future. If the Initial Index  Strategy Base below is equal to $0.00, there is no allocation to that Index Strategy as of the Effective  Date.  We are providing this Endorsement to help describe the Tiered Participation Rate Index Strategy in  the event you wish to allocate funds to this type of Index Strategy in the future as described in your  Annuity, and so long as this Index Strategy is still available. There are no explicit charges for allocations  to the Tiered Participation Rate Index Strategy.     Index Index  Value on  Effective  Date  Initial  Index  Term  Initial Index  Strategy  Base  Initial Tier 1  Participation  Rate  Initial Tier 2  Participation  Rate  Tier  Level  Buffer  [S&P 500®  Index, Price  Return (SPX)    [XXXX.XX]  6-year] [$75,000]      [100.00%]      [100.00%]    [20.00%] [10.00%]    MSCI EAFE  Index, Price  Return  (MXEA)]    [XXXX.XX]  6-year] [$25,000]      [100.00%]      [100.00%]    [20.00%] [10.00%]      Participation Rate: The Participation Rate is the percentage of an Index increase that will be used in  calculating the Index Credit to the Index Strategy Base at the end of an Index Strategy Term. The  Participation Rate may vary by Index and Index Strategy Term. The initial Participation Rates are shown  above and are applicable for the Index Term as of the Issue Date.    Guaranteed Minimum Participation Rate: [100%]    Tier Level – the declared Index Return that is used to determine which Participation Rate tier applies in  the calculation of Index Credit.    Guaranteed Maximum Tier Level: [35%]    Buffer: The Buffer limits the amount of negative Index Credit that may be applied to the Index Strategy  Base on any Index Strategy End Date.  The Buffer may vary by Index and Index Strategy Term. The  Buffer is shown above.     Index Credit: On each Index Strategy End Date, we will calculate the Index Credit, if any, to be credited  to the Index Strategy Base.  The Index Credit is calculated by multiplying the Participation Rate for each  tier level by the percentage change in the Index, known as the Index Return.  The Index Return is  determined by (A - B) / B, where:    A = the Index Value at the end of the Index Term   B = the Index Value at the beginning of the Index Term     If the Index Return on the Index Strategy End Date is positive but less than or equal to the Tier Level, the  Index Credit credited to the Index Strategy Base is equal to the Tier 1 Participation Rate multiplied by the  Index Return. If the Index Return on the Index Strategy End Date is greater than the Tier Level, the Index  Credit credited to the Index Strategy Base is equal to the sum of the Tier 1 Participation Rate multiplied  by the Tier Level and the Tier 2 Participation Rate multiplied by the Index Return in excess of the Tier  Level. If the Index Return on the Index Strategy End Date is zero or negative but within the Buffer, the  Index Credit credited to the Index Strategy Base is zero. Otherwise, if the Index Return is negative, the  Index Credit credited to the Index Strategy Base is equal to the Index Return plus the Buffer.  





 






END-RILA-TPAR(9/20)    Subsequent Index Strategy Terms: We will declare Participation Rates and Tier Levels for each  subsequent Index Strategy Term. The new Participation Rates may be higher or lower than the initial  Participation Rates but will be never be lower than the Guaranteed Minimum Participation Rate.  The new  Tier Levels may be higher or lower than the initial Tier Level but will never be higher than the Guaranteed  Maximum Tier Level.     Tiered Participation Rate Index Strategy Interim Value    When you take a Partial Withdrawal, Surrender your Annuity, request a transfer, or annuitize your Annuity  between Index Strategy Start and End Dates, we will use an Interim Value to determine the fair market  value of your Index Strategy on the Valuation Day of the transaction. The Interim Value is also used in the  event we pay a death claim to your beneficiaries during an Index Term.    The Interim Value for the Tiered Participation Rate Index Strategy is equal to the sum of (1) and (2),   where:    (1) Is the fair value of the Index Strategy Base on the Valuation Day the Interim Value is calculated. It  is determined as (A – B) multiplied by [(1 + C) divided by (1 + D)]E, where:    A. The Index Strategy Base on the Valuation Day the Interim Value is calculated;  B. The fair value of the replicating portfolio of options under initial market conditions, with  updated time to expiry;  C. The Market Value Index Rate on the Index Strategy Start Date;  D. The Market Value Index Rate on Valuation Day the Interim Value is calculated; and  E. The total days remaining in the Index Strategy Term divided by 365.    (2) Is the fair value of the replicating portfolio of options    The fair value of the Index Strategy Base is meant to represent the market value of the assets, other than  hedge assets, supporting each Index Strategy. It includes a market value adjustment that reflects  movements in the interest rates and credit spreads.    The Market Value Index Rate will apply on a uniform basis for a class of contract owners in the same  Index Strategy and will be administered in a non-discriminatory manner.     The Market Value Index Rate is the [Bloomberg Barclays U.S. Intermediate Credit Index] rate. The  [Bloomberg Barclays U.S. Intermediate Credit Index] rate is the rate using a set duration. The duration is  set to represent the duration of the investments supporting the Index Strategy and may not match the  actual length of the Index Strategy.     If the [Bloomberg Barclays U.S. Intermediate Credit Index] rate is not published for a particular day, then  we will use the rate on the next day it is published. If the [Bloomberg Barclays U.S. Intermediate Credit  Index] rate is no longer published, or is discontinued, then we may substitute another suitable method for  determining this component of the Interim Value.    The fair values of the replicating portfolio of options are designated by us and are used to estimate the  market value of the possibility of gain or loss on the Index Strategy End Date. The value may be positive  or negative.     Signed for the Company and made a part of the Contract as of the Effective Date.    PRUDENTIAL ANNUITIES LIFE ASSURANCE CORPORATION    [ ]  Secretary