Horizon Tower is a custom-designed suite facility for lease at 6929 Main St, Houston, TX, located at the gateway to the Texas Medical Center, focusing on life sciences, medical, and technology office spaces. The building features state-of-the-art infrastructure, including unique electric HEPA filters for air quality, and is positioned within a growing hub for tech and life sciences, with significant venture capital investment. It includes a 14-story parking garage and is set for delivery in Q1 2024, with amenities tailored for clinical and corporate users.

1. For Lease | Custom-Designed Suites
6929 Main St | Houston, TX 77030
Life Sciences, Medical & Technology Plaza at the Gateway to the Texas Medical Center

2. For Lease | Property Details
HORIZON TOWER
6929 Main St | Houston, TX 77030
CUSTOM-DESIGNED SUITES FOR LEASE
Technology, Life Sciences, Medical, Outpatient & Corporate Office
LOCATED AT THE GATEWAY OF INNOVATION
AT THE TEXAS MEDICAL CENTER
GATEWAY TO THE LARGEST
MEDICAL CENTER IN THE WORLD
At the intersection of Holcombe Blvd, Main St & Fannin St
CORE & SHELL DELIVERY DATE
First Quarter 2024
PREMIER MEDICAL OFFICE SPACE
Custom-designed suites for clinical medical users, physicians,
and ancillary services.
NO DEED RESTRICTIONS
For-profit opportunity unique to the Texas Medical Center.
PREMIER LIFE SCIENCE SPACE
Multiple floors specifically handle/comply with “Life Science”
building infrastructure needs.
PREMIER TECHNOLOGY FOCUSED OFFICE SPACE
Surrounded by more than 240,000 tech employees, 800 VC-backed tech
startups and $2.02 billion in venture capital in 2021.
14 STORY PARKING GARAGE
Situated below the 17-story Horizon Tower with ~2,600 parking spaces,
single spot guidance system, license plate recognition, SmartPark system
and contact free parking technology.
HEALTHY BUILDING STANDARDS
ELECTRIC HEPA FILTER™ BY BIODEFENSE CONTROL SYSTEMS™
Horizon Tower will be the first building in the world to be designed with the
Electric HEPA Filter™ to continuously provide unrivaled safe indoor air quality.
Developed and patented by Monzer Hourani, the Electric HEPA Filter™ is proven
to catch & kill viruses instantly in the first pass, including COVID-19 and anthrax.
HORIZON TOWER | 2
horizontowertmc.com

3. Floor 1-14
Parking Garage
Ground Floor
15,200 SF Retail
16th: 39,825 SF
15th: 36,110 SF
14th: 31,273 SF
ASC
25th: 27,434 SF
24th: 27,434 SF
23rd: 27,434 SF
22nd: 27,434 SF
21st: 27,434 SF
20th: 27,434 SF
19th: 27,434 SF
18th: 27,434 SF
17th: 27,434 SF
TECH
/
MEDICAL
30th: Mechanical
29th: 27,434 SF
28th: 27,434 SF
27th: 27,434 SF
26th: 27,434 SF
WET
LAB FLOORS – 26-30
FLOORS – 17-25 | TECH/MEDICAL
FLOORS – GROUND | RETAIL/PARKING
FLOORS – 14-16 | ASC
Stacking Plan
HORIZON TOWER | 3
horizontowertmc.com

4. Site Plan
M
A
I
N
S
T
HOLCOMBE BLVD
FANNIN
ST
HORIZON TOWER | 4
horizontowertmc.com

5. BUILDING NAME Horizon Tower
LOCATION
6929 Main Street
Houston, Texas 77030
PRODUCT TYPE
Class A
Medical, Life Sciences and Technology
TOTAL AREA 500,000 RSF
STORIES 17 Stories, atop 14-story garage
AVERAGE FLOOR SIZE 27,434 RSF
CONSTRUCTION START June 2021
DELIVERY Q1 2024
PARKING SPACES 2,600+
AVAILABLE FOR LEASE 500,000 SF
SUBMARKET Texas Medical Center
DEVELOPER/OWNER Medistar/Healthcare Realty
ARCHITECT Kirksey
LEASING Colliers
GENERAL CONTRACTOR Harvey
Building Summary
HORIZON TOWER | 5
horizontowertmc.com

6. ROBUST UTILITIES INFRASTRUCTURE
24/7/365 HVAC, 10watts/SF, 100 psi & 6,000 mips
EFFICIENT CENTRALIZED COMMON CORE
for lab design and renovation cost containment
(elevators, restrooms, shaft space)
ROOF SPACE
ample space for supplemental HVAC and additional generator
capacity
VERTICAL SHAFT CAPACITY
to accommodate lab exhaust and conduit
16 FT FLOOR TO FLOOR
ceiling height for tech driven look and feel or distributed ductwork,
centralized gas and lab support services (vacuum, DI/RO water, etc.)
SECURED INTERIOR LOADING DOCKS
and designated freight elevator
ON-SITE LIFE SAFETY GENERATOR
with additional mobile generator hook-up to back-up entire premises
FLEXIBLE FLOOR PLATES
to accommodate full-floor and multi-floor tenants
LAB READY INFRASTRUCTURE
Property Highlights
HORIZON TOWER | 6
horizontowertmc.com

7. HERMANN
PARK
MONTROSE
MIDTOWN
THE HEIGHTS
E ST U
SH IP
C H AN N EL
EADO
GR EA T ER
EA ST EN D
TEXAS
MEDICAL
CENTER
ALL ABOARD
The recently expanded light rail provides service along nearly 23 miles of central Houston. The 13-mile
Red Line runs from Fannin South Station through downtown along Main Street through the Museum
District, the Texas Medical Center, University of Houston-Downtown, and ends at the Northline Transit
Center/Houston Community College. The Green Line (East End Line) runs 3.3 miles from downtown
and east along Harrisburg, and the Purple Line (Southeast Line) travels 6.6 miles southeast connecting
downtown from the University of Houston Central Campus to Texas Southern University and Palm
Center. Catch the wallet-friendly rail to more than 100 dining and nightlife options, professional sports
arenas, cultural institutions and the largest medical center in the world.
Location Highlights
NRG
PARK
HERMANN PARK
MEDICAL
CENTER
FANNIN SOUTH
TRANSIT CENTER
BELL
MCGOWEN
ENSEMBLE/HCC
TMC TRANSIT CENTER
MUSEUM DISTRICT
HERMANN PARK/RICE U
MEMORIAL HERMANN HOSPITAL/
HOUSTON ZOO
DRYDEN/TMC
SMITH LANDS
STADIUM PARK/
ASTRODOME
MOODY PARK
FULTON/NORTH CENTRAL
QUITMAN/NEAR NORTHSIDE
MELBOURNE/
NORTH LINDALE
LINDALE PARK
NORTHLINE TRANSIT
CENTER/HCC
CAVALCADE
WHEELER
TRANSIT CENTER
DOWNTOWN
TRANSIT CENTER
PRESTON
UH DOWNTOWN
BURNETT TRANSIT CENTER/
CASA DE AMIGOS
MAIN STREET
SQUARE
LEELAND/
THIRD WARD
ELGIN/
THIRD WARD
TSU/UH ATHLETICS DISTRICT
UH SOUTH/
UNIVERSITY OAKS
MACGREGOR PARK/
MARTIN LUTHER KING, JR.
PALM CENTER
TRANSIT CENTER
THEATER DISTRICT
CONVENTION DISTRICT
EADO/STADIUM
CENTRAL STATIONS
COFFEE PLANT/SECOND WARD
LOCKWOOD/EASTWOOD
ALTIC/HOWARD HUGHES
CESAR CHAVEZ/67TH ST.
MAGNOLIA PARK
TRANSIT CENTER
CENTRAL
STATION
MAIN
CENTRAL STATION
RUSK
CENTRAL STATION
CAPITOL
Central Stations
WALKING TRANSFER
MAIN
FANNIN
SAN
JACINTO
CAPITOL
RUSK
LEGEND
METRORail Station
Estación de METRORail
Transit Center
Centro de Tránsito
METRORail Red Line
METRORail Green Line
METRORail Purple Line
NRG
PARK
HERMANN PARK
MEDICAL
CENTER
FANNIN SOUTH
TRANSIT CENTER
BELL
MCGOWEN
ENSEMBLE/HCC
TMC TRANSIT CENTER
MUSEUM DISTRICT
HERMANN PARK/RICE U
MEMORIAL HERMANN HOSPITAL/
HOUSTON ZOO
DRYDEN/TMC
SMITH LANDS
STADIUM PARK/
ASTRODOME
MOODY PARK
FULTON/NORTH CENTRAL
QUITMAN/NEAR NORTHSIDE
MELBOURNE/
NORTH LINDALE
LINDALE PARK
NORTHLINE TRANSIT
CENTER/HCC
CAVALCADE
WHEELER
TRANSIT CENTER
DOWNTOWN
TRANSIT CENTER
PRESTON
UH DOWNTOWN
BURNETT TRANSIT CENTER/
CASA DE AMIGOS
MAIN STREET
SQUARE
LEELAND/
THIRD WARD
ELGIN/
THIRD WARD
TSU/UH ATHLETICS DISTRICT
UH SOUTH/
UNIVERSITY OAKS
MACGREGOR PARK/
MARTIN LUTHER KING, JR.
PALM CENTER
TRANSIT CENTER
THEATER DISTRICT
CONVENTION DISTRICT
EADO/STADIUM
CENTRAL STATIONS
COFFEE PLANT/SECOND WARD
LOCKWOOD/EASTWOOD
ALTIC/HOWARD HUGHES
CESAR CHAVEZ/67TH ST.
MAGNOLIA PARK
TRANSIT CENTER
CENTRAL
STATION
MAIN
CENTRAL STATION
RUSK
CENTRAL STATION
CAPITOL
Central Stations
WALKING TRANSFER
MAIN
FANNIN
SAN
JACINTO
CAPITOL
RUSK
LEGEND
METRORail Station
Estación de METRORail
Transit Center
Centro de Tránsito
METRORail Red Line
METRORail Green Line
METRORail Purple Line
VERY
WALKABLE
79 EXCELLENT
TRANSIT
74 BIKER’S
PARADISE
99
Downtown
HORIZON TOWER | 7
horizontowertmc.com

8. Horizon Tower is located within Texas A&M Innovation Plaza, a 5-acre
mixed-use technology, clinical medical, biomedical, and life sciences
campus in Houston, Texas. The landmark campus includes EnMed, Texas
A&M’s Life Tower, and Horizon Tower, a 17-story integrated mixed-use
plaza designed for physician offices, diagnostic imaging, outpatient
surgery and rehabilitation along with life science and technology
focused office space all under one roof and situated above a 14-story
parking garage.
This distinctively designed campus features best-in-class healthcare
services, research, and development housed within inspiring spaces
conceived through distinguished architectural design. Horizon Tower
broke ground June 1, 2021 and will deliver core and shell in fourth quarter
of 2023.
EXPERIENCE EXTRAORDINARY
ENMED
714 beds
Texas A&M Innovation Plaza
Amenities & Features
Air Electric HEPA Filter™ by Biodefense Control Systems™
Options Research and development space
Office Use Tech, clinical and medical office suites
Open Floors Multi-use open spaces
Transportation Adjacent to METRO TMC Transit Center with light rail and bus connectivity
Parking 14-level parking garage with 2,600 stalls
Amenities Retail and restaurants at grade level
Common Area Outdoor lounges, & open-air plaza with green space, terraces and water features
Location Access to nearby event space
Network Lonestar Education & Research Network (LEARN) terabit-speed fiber optic network
LIFE TOWER
300,000 SF
OPENED 2021 OPENED JULY 2022 Delivery Q1 2024
18-story medical school
& biomedical engineering
academic building
19-story student
housing building
17-Story Medical, Life Sciences & Technology Tower
14-Level Parking Garage
Under Construction
500,000 SF
H
O
L
C
O
M
B
E
B
L
V
D
FANNIN ST
M
AIN
ST
HORIZON TOWER | 8
horizontowertmc.com

9. 1
4
2
5
3
6
Horizon Tower is located at the gateway to the Texas Medical Center and is a
building where technology focused organizations will attract employees, tech
startups and venture capital investors.
Houston has been a center for world-changing innovations in energy, life sciences
and aerospace for decades. With science and engineering breakthroughs
ingrained in the fabric of Houston’s economy, the region has become a thriving
hub of digital technology talent and companies thanks to our access to customers
and expertise.
A strong educational system with nationally ranked universities, graduate schools,
and community colleges produces a large supply of young talent. Our exceptional
quality of life offers the cultural, recreational and entertainment amenities of a
modern, cosmopolitan city, but at a cost of living well below the national average.
1
2
3
4
5
6
LEGEND
The world’s largest medical center is at the
forefront of advancing life sciences through
cross-institutional collaboration, creativity,
and innovation.
• Johnson & Johnson Jlabs
• Johnson & Johnson Center for Device Innovation
• AT&T Foundry
• TMCx
• TMC3
• ABB Robotics
• CUBIO Innovation Center
• Horizon Tower
TEXAS MEDICAL CENTER
Texas Medical Center
Downtown Houston
Innovation District
East End
Energy Cooridor
Nasa/Clear Lake
Tech Employees
SDOs
In recent years, startup development organizations (SDOs), including
workspaces, incubators and accelerators have emerged throughout the city.
Large tech firms have taken notice of this growth, with Microsoft, Google and
Amazon increasing their presence in the region, while others including Bill.
com, Nuro and Hewlett Packard Enterprise are relocating or expanding here.
INNOVATION ECOSYSTEM
Houston is well-positioned to become a national leader in tech innovation. It
possesses the corporate, workforce, and infrastructure requirements,
BUSINESS CLIMATE
VC Investment has grown from $423 million in 2017 to $2.02 billion in 2021,
a near five-fold increase and unprecedented 47.4% growth rate per year.
Venture Capital investment surpassed $2.02 billion in ’21, a record for Houston.
VENTURE CAPITAL FUNDING
Health Care jumped from the third highest funded industry in 2015 to the top
funded industry for the last four years, but moved to second place in 2021.
Heath tech, life science, and biotechnology companies have thrived in recent
years, anchored by the Texas Medical Center and the TMC Innovation Institute.
Health Care companies accounted for 26% of all VC funding in ’21.
Information Technology more than tripled from $73 million in 2015 to
$632.1 million in 2021.
INDUSTRIES & VERTICALS
HOUSTON | CITY OF INNOVATION
6
HORIZON TOWER | 9
horizontowertmc.com

10. Home to the
WORLD’S LARGEST
CANCER HOSPITAL
MD ANDERSON CANCER CENTER
Home to the
WORLD’S LARGEST
CHILDREN’S HOSPITAL
TEXAS CHILDREN’S HOSPITAL
TMC offers over
TOTAL PATIENT BEDS
TOTAL EMPLOYEES
IN CONSTRUCTION
PROJECTS UNDERWAY
TMC’s campus encompasses
DEVELOPED SQUARE FEET
ER VISITS PER YEAR
OVER BABIES DELIVERED PER YEAR
TMC delivers 1 baby every 20 minutes, resulting in approximately 26,280 births per calendar year.
ANNUAL SURGERIES
TMC begins 1 surgery every 3 minutes
TOTAL HEART SURGERIES
TMC Facts & Figures
Texas Medical Center (TMC)—the largest medical complex in the world—is at the forefront of
advancing life sciences. Home to the brightest minds in medicine, TMC nurtures cross-institutional
collaboration, creativity, and innovation because together, we can push the limits of what’s possible.
TMC.EDU
With 1,345 total acres, TMC is the
BUSINESS DISTRICT IN THE U.S.
PATIENT VISITS PER YEAR
WHY TEXAS MEDICAL CENTER?
TEXAS MEDICAL CENTER
BY THE NUMBERS
TMC is the 8th Largest Business District in the U.S.
Home to the World’s Largest Children’s Hospital – Texas Children’s Hospital and the World’s
Largest Cancer Hospital – University of Texas MD Anderson Cancer Center
Over 106,000 employees
21 Renowned Hospitals, 14 support organizations, 11 Academic Institutions, 7 Nursing
Programs, 3 Public Health Organizations, 3 Medical Schools and 2 Pharmacy Schools
World-renowned research, development and educational institutions are transforming the
future of science and medicine
The largest concentration of scientists in the world, harnessing collective knowledge, talent
and technology to lead the next generation of innovation
Over 10 million patient encounters per year
TMC: ‘the third coast’ for life science research, education and innovation
500,000 SF of lab and medical space at Texas Medical Center will be delivered in Q1 2024
HORIZON TOWER | 10
horizontowertmc.com

11. 1
2 3
4
5
9
11
18
23
19
20
24
8
6 7
10
13
12
16
14
15
17
21
22
25 26
27
28
29
31
30
32
33
34
H ERMAN N
PARK
HOLCOMBE BLVD
A
L
M
E
D
A
R
D
M
A
I
N
S
T
HORIZON TOWER
1. Memorial Hermann Medical Plaza
2. UT Physicians
3. Memorial Hermann Texas Medical Center
4. McGovern Medical School at UTHealth
5. BioScience Research Collaborative - Rice University
6. Houston Methodist Hospital
7. Baylor College of Medicine
8. Ben Taub Hospital
9. Baylor College of Medicine
10. The University of Texas MD Anderson
UTHealth Graduate School
11. InterContinental Houston - Medical Center
12. Texas Children’s Hospital - West Tower
13. The University of Texas MD Anderson Clinical
Research Building
14. Texas Woman’s University
15. Mark A. Wallace Tower at Texas Children’s Hospital
16. CHI St. Luke’s Health - Baylor St. Luke’s Medical
Center
17. Texas A&M Health Science Center
18. MDA Fannin Holcombe Building
19. MDA Mays Clinic
20. Cizik School of Nursing (UTHealth Houston)
21. Shriners Hospitals for Children — Houston
22. HCC — Coleman College for Health Sciences
23. MDA Duncan Building
24. UTHealth School of Public Health
25. Coleman College for Health Sciences
26. The University of Texas Health Science Center
27. The University of Texas M.D Anderson Mid Campus
28. Baylor Medicine at McNair Campus
29. Michael E. DeBakey VA Medical Center
30. Johnson & Johnson JLABS TMC
31. TMC Innovation
32. AT&T Health Foundry
33. ABB Robotics
34. JNJ Center for Device Innovation
WHY TEXAS MEDICAL CENTER?
HORIZON TOWER | 11
horizontowertmc.com

12. LARGEST MEDICAL
CENTER IN THE WORLD
$1.9 BILLION IN LIFE
SCIENCES RESEARCH
$2.02 BILLION IN VENTURE
CAPITAL INVESTMENT
1,760+ life sciences companies,
cutting-edge health care facilities and research institutions
$832.9 million in health and $850 million
in IT innovation funding since 2020
Over 360,000
healthcare and life sciences workers
Over 25,700 of the world’s top medical researchers and
scientists and more than 18,000 biotech specialists
11th largest tech workforce
in the U.S. with over 243k net tech employment
HOU
IAH
WHY HOUSTON?
HORIZON TOWER | 12
horizontowertmc.com

13. YOUR PROJECT TEAM
Colliers (NASDAQ, TSX: CIGI) is a leading
diversified professional services and
investment management company.
With operations in 62 countries, our
17,000 enterprising professionals work
collaboratively to provide expert real
estate and investment advice to clients.
For more than 27 years, our experienced
leadership with significant inside
ownership has delivered compound
annual investment returns of 20% for
shareholders. With annual revenues
of $4.3 billion and $57 billion of assets
under management, Colliers maximizes
the potential of property and real assets
to accelerate the success of our clients,
our investors and our people.
colliers.com
LEASING
Healthcare Realty Trust Incorporated (NYSE:
HR) is a real estate investment trust that
integrates owning, managing, financing and
developing income-producing real estate
properties associated primarily with the
delivery of outpatient healthcare services
throughout the United States. As of July 20,
2022, the Company was invested in over 700
real estate properties totaling approximately
44 million square feet and provided leasing
and property management services to more
than 30 million square feet nationwide.
From an initial portfolio of 21 healthcare
facilities in 1993, Healthcare Realty now
owns 727 properties throughout the United
States. Over the years, the Company has
refined its portfolio primarily toward multi-
tenant, on-campus medical office buildings,
which provide stable occupancy, high tenant
retention, and steady growth. Through the
discerning acquisition and development of
outpatient properties, Healthcare Realty’s
portfolio is well diversified by geography,
tenant size, and physician specialty.
healthcarerealty.com
OWNER
Headquartered in Houston, Texas, Medistar
excels nationwide in the development, financing
and acquisition of: general, surgical and
specialty hospitals, medical education facilities
and teaching hospitals, micro hospitals,
inpatient rehabilitation hospitals, psychiatric
and behavioral health hospitals, skilled
nursing and transitional care facilities, long-
term acute care (LTAC) hospitals, integrated
medical plazas, medical office buildings, life
sciences and biomedical buildings, multifamily
residential communities, student housing,
and mixed-use developments. With precision,
excellence and financial strength as hallmarks,
Medistar’s recurring success is the result of
forging long-lasting business relationships. We
solve complex real estate challenges for our
clients, and create attractive opportunities for
our partners, investors, and lenders.
Founded in 1974 by CEO Monzer Hourani,
Medistar is a Houston-based national real estate
company that for over 48 years has focused
primarily on the development of medical and
healthcare-aligned projects. While Medistar’s
history spans several hundred projects and
billions of dollars worth of development, we are
best known for our creativity, persistence and
loyalty – not only to our clients and partners,
but also to the communities in which we work.
medistarcorp.com
DEVELOPER / OWNER
As architects, designers, and planners,
we believe it is our responsibility
to design high-performing, healthy
buildings that positively impact the
people, environment, and communities
they serve. We do this by creating
facilities that are resource-efficient,
site and community enhancing, and
provide a healthy and enjoyable
experience for the people within them.
With offices in Houston and Austin,
Texas, Kirksey is a carbon-neutral
company committed to sustainable
practices. We are a group of designers
and creatives who greatly value each
other, our clients, our community, and
our earth. Healthy buildings. Healthy
people. Healthy planet.
kirksey.com
LEAD ARCHITECT
HORIZON TOWER | 13
horizontowertmc.com

14. HORIZON TOWER | 14
horizontowertmc.com

15. HORIZON TOWER | 15
horizontowertmc.com

16. COLLIERS
1233 W Loop S #900
Houston, TX 77027
+1 713 222 2111
colliers.com/houston
ROBERT "BOB" S. PARSLEY, SIOR
Chairman & Principal
Office +1 713 830 2121
Cell +1 713 501 3996
bob.parsley@colliers.com
COY D. DAVIDSON
Senior Vice President
Office +1 713 830 2128
Cell +1 281 787 9960
coy.davidson@colliers.com
WALKER RYAN
Principal
Office +1 713 830 2132
Cell +1 713 927 8092
walker.ryan@colliers.com
CONTACT US FOR LEASE INQUIRES
HorizonTowerTMC.com
6929 Main St | Houston, TX 77030