Riverstone Earthworks Inc.

Heavy Civil · Toronto, ON · Toronto office · AM Marcus Webb

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Bids & consents YTD

1 bid · 2 consent

Successful tenders

marked Low Bid

% successful

50%

Low Bid of 4 decided

Open exposure

$233.7M

70% of $334.0M

Facility utilization — bid vs. final exposure

By principal

70%of $334.0M group facility

$233.7M drawn

Final-bond exposure

$127.4M

cost-to-complete + bonded since 2026-04-21

Bid exposure

$106.3M

open tenders as of today · est. price

Available

$100.3M

remaining capacity

Latest WOH as of 2026-04-21 · final bonds since 2026-04-21 · outstanding bids as of today · current utilization as of today.

Working authority (this entity)Single job $39.0MAggregate $82.0Msurety since 2013

Derived live from the bond store — marking a bid Unsuccessful or Expired removes it from bid exposure in real time.

Subsidiaries & group facility

Own limits + exposure ladder up

Riverstone · parentHeavy Civil · Toronto, ON$30.8M / $82.0M(38%)

StoneviewGeneral Contractor · Toronto, ON · principal under facility$141.4M / $164.0M(86%)GraniteGeneral Contractor · Toronto, ON · principal under facility$61.5M / $88.0M(70%)

Group total$233.7M / $334.0M (70%)

Bonded principals

Facility consumption per principal

Click a principal to focus the utilization view above on its draw; click again to return to all principals.

Exposure report

Issued bonds · penalty at risk

Total surety exposure — sum of issued bond penalties$18.8M

Bid bonds3 bonds

Project	Bid date	Validity	Penalty (exposure)
School Board — Bridge Rehabilitation Metrolinx · 10% bid bond on $2.1M tender	2025-12-08	—	$210K
Transit Agency — Roadway Reconstruction Metrolinx · 10% bid bond on $12.5M tender	2025-08-24	—	$1.3M
City — Data Centre Fit-up Infrastructure Ontario · 10% bid bond on $7.8M tender	2026-03-09	—	$780K
Bid bonds subtotal			$2.2M

Final bonds — Performance & Payment4 bonds

Project	Completion date	Penalty (exposure)
Authority — Pedestrian Overpass Minister of Finance (Saskatchewan) · INT-7219 · Performance 50% + L&M 50% on $2.2M contract	2027-03-15	$2.2M
City — Wastewater Treatment Upgrade Region of Peel · ZUR-4198 · Performance 50% + L&M 50% on $4.0M contract	2027-08-12	$4.0M
Port Authority — Pumping Station Upgrade Région de Montréal — Travaux publics · INT-4073 · Performance 50% + L&M 50% on $7.4M contract	2027-06-17	$7.4M
Authority — Civic Centre Build BC Ministry of Transportation · INT-E-5632 · Performance 50% + L&M 50% on $3.0M contract	2028-10-22	$3.0M
Final bonds — Performance & Payment subtotal		$16.6M

Penalty at risk: bid bonds at their bid % of the tender (e.g. 10% of a $5M job = $500K); final bonds at the full contract (Performance 50% + L&M 50% = 100%). Issued bonds only — lost, expired, draft, and pending bonds are excluded.