Schedule III - Real Estate Assets and Accumulated Depreciation and Amortization | (Dollars in thousands) Initial Cost to the Company Property Date Acquired Date of Construction Land Building and Improvements In-place lease value intangible Total Post – acquisition Improvements (1) Garden Oaks 10/01/2018 1956 $ 1,770 $ 17,969 $ 1,021 $ 20,760 $ 1,623 Quitman 10/01/2018 1920 3,130 2,389 351 5,870 803 Chelsea Square 10/01/2018 1984 1,570 5,046 494 7,110 (273) Mission Centre 10/01/2018 1987 2,020 7,690 890 10,600 373 Regency 10/01/2018 1979 960 819 851 2,630 997 Spring Valley 10/01/2018 1982 3,490 1,064 1,066 5,620 1,866 Northeast Square 10/01/2018 1984 1,300 3,330 280 4,910 250 One Mason 10/01/2018 1983 2,440 9,290 1,130 12,860 310 Tower 10/01/2018 1981 2,750 2,584 1,336 6,670 2,067 Preserve 10/01/2018 1970 9,730 9,085 3,485 22,300 8 Westheimer 10/01/2018 1983 3,800 12,416 2,284 18,500 (143) Walzem Plaza 10/01/2018 1981 3,900 10,660 1,840 16,400 1,433 11811 North Freeway 10/01/2018 1982 1,980 1,037 2,473 5,490 1,120 Atrium I 10/01/2018 1980 2,540 716 1,494 4,750 932 Atrium II 07/01/2020 1980 958 1,345 1,264 3,567 2,943 North Central Plaza 10/01/2018 1982 2,330 14,511 2,959 19,800 (940) 3100 Timmons 10/01/2018 1975 10,330 3,543 1,427 15,300 1,764 Central Park 10/01/2018 1984 730 2,851 989 4,570 370 601 Sawyer 10/01/2018 1982 3,360 12,796 1,144 17,300 2,268 Prestonwood 10/01/2018 1999 7,410 13,895 1,695 23,000 432 Harwin 10/01/2018 1992 1,960 3,041 279 5,280 (145) Fondren 10/01/2018 2004 1,650 7,326 1,004 9,980 379 Cornerstone 10/01/2018 1984 1,110 1,620 920 3,650 678 Northchase 10/01/2018 1984 1,700 5,821 1,549 9,070 340 616 FM 1960 10/01/2018 1983 1,510 8,931 1,269 11,710 (3,969) Gateway 10/01/2018 1983 3,510 22,182 3,408 29,100 (7,605) Promenade 10/01/2018 1973-1979 5,750 12,671 1,579 20,000 1,186 400 North Belt 05/08/2015 1982 2,538 3,800 3,812 10,150 3,211 Commerce Plaza Hillcrest 05/01/2015 1977 6,500 1,031 3,869 11,400 3,658 Corporate Park Place 08/24/2015 1980 2,375 5,215 1,910 9,500 1,996 Skymark Tower 09/02/2015 1985 2,212 4,404 2,230 8,846 3,003 Ashford Crossing 07/31/2015 1983 2,650 4,240 3,710 10,600 3,288 Energy Plaza 12/30/2014 1983 4,403 6,840 6,367 17,610 4,818 Westway 06/01/2016 2001 5,410 11,276 4,950 21,636 1,598 Three Forest Plaza 12/22/2016 1983 8,910 18,186 8,558 35,654 6,239 Parkway Plaza I & II 03/15/2013 1982 2,373 4,765 2,352 9,490 3,862 Gulf Plaza 03/11/2014 1979-1980 3,488 6,005 4,457 13,950 293 Timbercreek 12/30/2014 1984 724 962 1,211 2,897 955 Copperfield 12/30/2014 1986 605 760 1,054 2,419 854 One Technology 11/10/2015 1984 4,894 8,558 6,123 19,575 2,156 Richardson Heights 12/28/2010 1958-1962 4,788 10,890 3,472 19,150 7,724 Bent Tree Green 10/16/2012 1983 3,003 6,272 2,740 12,015 4,082 Cooper Street 05/11/2012 1992 2,653 5,768 2,192 10,613 636 Mitchelldale Business Park 06/13/2014 1977 4,794 9,816 4,565 19,175 4,139 Total $ 146,008 $ 303,416 $ 102,053 $ 551,477 $ 61,579 (1) Amounts include impact of impairments taken. SCHEDULE III - REAL ESTATE ASSETS AND ACCUMULATED DEPRECIATION AND AMORTIZATION DECEMBER 31, 2022 (Dollars in thousands) Gross Carrying Amount at December 31, 2022 Property Land Building and Improvements (1) In-place lease value intangible (1) Total Accumulated Depreciation & Amortization Net Book Carrying Value Encumbrances Garden Oaks $ 1,770 $ 19,592 $ 1,021 $ 22,383 $ (3,727) $ 18,656 10,379 Quitman 3,130 3,191 351 6,672 (643) 6,029 2,935 Chelsea Square 1,355 4,997 484 6,836 (1,325) 5,511 3,555 Mission Centre 2,020 8,063 890 10,973 (2,274) 8,699 5,300 Regency 960 1,815 852 3,627 (1,445) 2,182 1,315 Spring Valley 3,490 2,930 1,066 7,486 (2,546) 4,940 2,810 Northeast Square 1,300 3,579 280 5,159 (840) 4,319 2,455 One Mason 2,440 9,600 1,130 13,170 (2,510) 10,660 6,430 Tower 2,750 4,651 1,335 8,736 (2,390) 6,346 3,335 Preserve 8,244 10,659 3,405 22,308 (5,991) 16,317 11,148 Westheimer 3,050 13,091 2,217 18,358 (5,041) 13,317 9,249 Walzem Plaza 3,900 12,093 1,840 17,833 (4,497) 13,336 8,200 11811 N Freeway 1,980 2,157 2,473 6,610 (3,187) 3,423 2,744 Atrium I 2,540 1,648 1,494 5,682 (2,149) 3,533 2,375 Atrium II 1,006 4,240 1,264 6,510 (1,451) 5,059 — North Central 1,842 14,152 2,866 18,860 (5,745) 13,115 9,899 3100 Timmons 10,330 5,306 1,428 17,064 (2,709) 14,355 7,650 Central Park 730 3,220 989 4,939 (1,658) 3,281 2,285 601 Sawyer 3,360 15,064 1,144 19,568 (3,271) 16,297 8,649 Prestonwood 7,410 14,328 1,695 23,433 (3,722) 19,711 11,498 Harwin 1,960 2,895 279 5,134 (773) 4,361 2,640 Fondren 1,650 7,704 1,005 10,359 (2,683) 7,676 4,990 Cornerstone 1,110 2,298 920 4,328 (1,515) 2,813 1,825 Northchase 1,459 6,435 1,516 9,410 (2,940) 6,470 4,535 616 FM 1960 1,204 5,640 896 7,740 (2,126) 5,614 5,855 Gateway 2,194 16,364 2,936 21,494 (6,114) 15,380 14,549 Promenade 5,750 13,858 1,578 21,186 (3,864) 17,322 9,999 400 North Belt 2,538 7,011 3,812 13,361 (7,137) 6,224 6,500 Commerce Plaza 6,500 4,689 3,869 15,058 (6,626) 8,432 7,150 Corporate Park 2,375 7,210 1,910 11,495 (4,195) 7,300 4,825 Skymark Tower 2,212 7,408 2,230 11,850 (4,791) 7,059 6,450 Ashford Crossing 2,650 7,528 3,710 13,888 (6,705) 7,183 5,150 Energy Plaza 4,403 11,659 6,367 22,429 (10,006) 12,423 8,400 Westway 5,410 12,875 4,951 23,236 (7,814) 15,422 11,399 Three Forest 8,913 24,423 8,557 41,893 (15,475) 26,418 24,348 Parkway Plaza 2,372 8,628 2,352 13,352 (6,368) 6,984 5,200 Gulf Plaza 2,688 7,098 4,457 14,243 (6,981) 7,262 5,700 Timbercreek 724 1,916 1,211 3,851 (2,092) 1,759 1,485 Copperfield 605 1,618 1,054 3,277 (1,749) 1,528 1,890 One Technology 4,893 10,714 6,123 21,730 (9,625) 12,105 13,899 Richardson Heights 4,788 18,614 3,472 26,874 (11,311) 15,563 15,556 Bent Tree Green 3,003 10,353 2,740 16,096 (7,569) 8,527 6,764 Cooper Street 2,653 6,404 2,192 11,249 (4,698) 6,551 6,764 Mitchelldale 4,794 13,955 4,565 23,314 (9,859) 13,455 10,240 Corporate Adjustments (2) — (2,457) — (2,457) 126 (2,331) $ — Total $ 140,455 $ 369,216 $ 100,926 $ 610,597 $ (200,011) $ 410,586 $ 298,324 (2) Amounts consists of elimination of intercompany construction development fees charged by construction manager to real estate assets. The aggregate cost of real estate for federal income tax purposes was $642,488 (unaudited) as of December 31, 2022. SCHEDULE III - REAL ESTATE ASSETS AND ACCUMULATED DEPRECIATION AND AMORTIZATION DECEMBER 31, 2022 Summary of activity for real estate assets for the years ended December 31, 2022 and 2021, in thousands: Years ended December 31, 2022 2021 Balance at beginning of period $ 620,585 $ 607,669 Additions during the period: Acquisitions — — Improvements 14,158 12,916 634,743 620,585 Provision for impairment 24,146 — Balance at end of period $ 610,597 $ 620,585 |