Certain Floating to Fixed Rate Cumulative Redeemable Perpetual Preferred Units of Landmark Infrastructure Partners LP are subject to a Lock-Up Agreement Ending on 27-MAY-2018. These Floating to Fixed Rate Cumulative Redeemable Perpetual Preferred Units will be under lockup for 60 days starting from 28-MAR-2018 to 27-MAY-2018. Details: The general partner have agreed with the underwriters, subject to certain limited exceptions, not to sell or transfer any Series C Preferred Units or common units that are substantially similar to the Series C Preferred Units or common units, for 60 days after the date of the prospectus supplement without first obtaining the written consent of underwriters.