At the Option of the Partnership. Following the first anniversary of the date of issuance of a Series A Preferred Unit, the Partnership shall have the option at any time, but not more than once per Quarter, to convert all or a portion of the Series A Preferred Units that were issued on such date and that are then Outstanding into a number of Common Units determined by multiplying the number of Series A Preferred Units to be converted by the Series A Conversion Rate at such time; provided, however, that the Partnership shall not be permitted to convert a number of Series A Preferred Units representing in aggregate more than # one-third (1/3) of the total Series A Preferred Units issued pursuant to the Series A Purchase Agreement prior to the second anniversary of the final date Series A Preferred Units are purchased under the Series A Purchase Agreement (excluding for this purpose, for the avoidance of doubt, any Series A PIK Units) or # two-thirds (2/3) of the total Series A Preferred Units issued pursuant to the Series A Purchase Agreement prior to the third anniversary of the final date Series A Preferred Units are purchased under the Series A Purchase Agreement (excluding for this purpose, for the avoidance of doubt, any Series A PIK Units). Fractional Common Units shall not be issued to any Person pursuant to this [Section 5.8(b)(vi)(B)] (each fractional Common Unit shall be rounded down with the remainder being paid an amount in cash based on the Closing Price of Common Units on the Trading Day immediately preceding the date on which a Series A Forced Conversion Notice under [Section 5.8(b)(vi)(C)(2)] is sent (a “Series A Forced Conversion Notice Date”)). Notwithstanding the foregoing, in order for the Partnership to exercise such option:

sentence of the Partnership. Following the first anniversary of the date of issuance of a Series A Preferred Unit, the Partnership shall have the option at any time, but not more than once per Quarter, to convert allthis paragraph, or a portion of theif Series A Preferred Units that wereowned by a purchaser of Series A Preferred Units issued onunder [Section 5.8(b)(iv)] become convertible under [clause (y)] of the first sentence of this paragraph, each such dateother Series A Preferred Unitholder and that are then Outstandingits Affiliates shall be entitled to (and limited to) a single conversion right per Quarter (in the aggregate and inclusive of any conversion by such Series A Preferred Unitholder’s Affiliates). If Series A Preferred Units become convertible under this [Section 5.8(b)(vi)(A)], such Series A Preferred Units shall be convertible into a number of Common Units determined by multiplying the number of Series A Preferred Units to be converted by # in the case of [clause (1)] of the first sentence of this paragraph, the Series A Conversion Rate at such time;time and # in the case of [clause (2)] of the first sentence of this paragraph, the Series A COC Conversion Rate; provided, however, that the Partnership shall not be permittedobligated to converthonor any such conversion request if such conversion request does not involve an underlying value of Common Units of at least ​ (taking into account and including any concurrent conversion requests or other Quarterly conversion requests that are required to be aggregated as provided above) based on the Closing Price of Common Units on the Trading Day immediately preceding the date on which a numberSeries A Conversion Notice is received under [Section 5.8(b)(vi)(C)(1)] (a “Series A Conversion Notice Date”) (or a lesser amount to the extent such exercise covers all of such Series A Preferred Unitholder’s and its Affiliates’ Series A Preferred Units or has been approved by the Partnership). Immediately upon the issuance of Common Units as a result of any conversion of Series A Preferred Units representing in aggregate more than # one-third (1/3)Units, subject to [Section 5.8(b)(i)(D)], all rights of the totalSeries A Converting Unitholder with respect to such Series A Preferred Units issued pursuant to theshall cease, including any further accrual of distributions, and such Series A Purchase Agreement prior toConverting Unitholder thereafter shall be treated for all purposes as the second anniversaryowner of the final date Series A Preferred Units are purchased under the Series A Purchase Agreement (excluding for this purpose, for the avoidance of doubt, any Series A PIK Units) or # two-thirds (2/3) of the total Series A Preferred Units issued pursuant to the Series A Purchase Agreement prior to the third anniversary of the final date Series A Preferred Units are purchased under the Series A Purchase Agreement (excluding for this purpose, for the avoidance of doubt, any Series A PIK Units).Common Units. Fractional Common Units shall not be issued to any Person pursuant to this [Section 5.8(b)(vi)(B)A)] (each fractional Common Unit shall be rounded down with the remainder being paid an amount in cash based on the Closing Price of Common Units on the Trading Day immediately preceding the date on which a Series A Forced Conversion Notice under [Section 5.8(b)(vi)(C)(2)] is sent (a “Series A Forced Conversion Notice Date”))Date). Notwithstanding the foregoing, in order for the Partnership to exercise such option:

At the Option of the Partnership. FollowingSeries A Preferred Unitholders. Beginning with the firstearlier of # the second anniversary of # the date of the Series A Purchase Agreement, with respect to the Series A Preferred Units purchased by the Series A Purchase Agreement ​ under the Series A Purchase Agreement, or # the date of issuance of a Series A Preferred Unit, with respect to any Series A Purchaser who subsequently purchases any Series A Preferred Units issued in accordance with [Section 5.8(b)(iv), and (2)])] immediately prior to the liquidation of the Partnership under [Section 12.4], the Series A Preferred Units owned by such Series A Preferred Unitholder on such date shall have the optionbe convertible, in whole or in part, at any time,time and from time to time thereafter upon the request of such Series A Preferred Unitholder, but not more than once per Quarter, to convert all or a portion of thein accordance with this Section. If Series A Preferred Units that were issued on such date and that are then Outstanding into a number of Common Units determinedpurchased by multiplying the number of Series A Preferred Units to be converted by the Series A Conversion Rate at such time; provided, however, that the Partnership shall not be permitted to convert a number of Series A Preferred Units representing in aggregate more than # one-third (1/3) of the total Series A Preferred Units issued pursuant to the Series A Purchase Agreement prior to the second anniversary​ become convertible under [clause (x)] of the final datepreceding sentence, each such Series A Purchase Agreement Purchaser and its Affiliates shall be entitled to (and limited to) a single conversion right per Quarter (in the aggregate and inclusive of any conversion by any such Series A Purchase Agreement Purchaser’s Affiliates, with each Series A Purchase Agreement Purchaser and its Affiliates being entitled to a single separate conversion right per Quarter), which may be exercised only by the delivery by the BlackRock Purchaser (on behalf of itself and any other Series A Purchase Agreement ​, and any of its or their Affiliates) of a proper Series A Conversion Notice. If Series A Preferred Units are purchased under theowned by a non-Affiliate transferee of a Series A Purchase Agreement (excluding for this purpose, for the avoidance of doubt, any Series A PIK Units) or # two-thirds (2/3)Purchaser (or an Affiliate thereof) become convertible under [clause (x)] of the total Series A Preferred Units issued pursuant to the Series A Purchase Agreement prior to the third anniversary of the final date Series A Preferred Units are purchased under the Series A Purchase Agreement (excluding for this purpose, for the avoidance of doubt, any Series A PIK Units). Fractional Common Units shall not be issued to any Person pursuant to this [Section 5.8(b)(vi)(B)] (each fractional Common Unit shall be rounded down with the remainder being paid an amount in cash based on the Closing Price of Common Units on the Trading Day immediately preceding the date on which a Series A Forced Conversion Notice under [Section 5.8(b)(vi)(C)(2)] is sent (a “Series A Forced Conversion Notice Date”)). Notwithstanding the foregoing, in order for the Partnership to exercise such option:first