Exhibit 99.1

PRO FORMA CONDENSED CONSOLIDATED BALANCE SHEET AS OF APRIL 30, 2026

	Tactical Resources Corp. (Historical)			Plum Acquisition Corp. III (Historical)			Plum III Merger Corp. (Historical)			Transaction Accounting Adjustments			Pro forma Combined			Crushed Aggregate Inventory Acquisition		True Up Entry for Recognition of Cash Advance Liability			True Up Entry for Cash in Trust			True Up Entry for Settlement of Promissory Note			Elimination of SPAC Ordinary Shares			Proforma Shareholders’ Equity Upon Listing
As of	April 30 2026			March 31, 2026			March 31, 2026			1			2			3		4			5			6			7			8
	$			$			$			$			$			$		$			$			$			$			$
ASSETS
Current assets
Cash and cash equivalents		611,288			438			—			7,753,742			8,365,468					(72,480	)		10,058									8,303,047
Accounts receivable		73,661			—			—						73,661																	73,661
Due from Merger Co		—			27,500			—						27,500																	27,500
Inventory		—			—			—						—			30,000,000														30,000,000
Prepaid expenses		87,629			5,625			—			700,000			793,254																	793,254
		772,578			33,563			—			8,453,742			9,259,883			30,000,000		(72,480	)		10,058			—			—			39,197,462
Non-current assets
Cash held in trust account		—			497,828			—			(487,770	)		10,058								(10,058	)								—
		—			497,828			—			(487,770	)		10,058			—		—			(10,058	)		—			—			—
TOTAL ASSETS		772,578			531,391			—			7,965,972			9,269,941			30,000,000		(72,480	)		—			—			—			39,197,462

LIABILITIES
Current liabilities
Accounts payable and accrued liabilities		6,191,789			4,047,542			99,016			2,990,326			13,328,673																	13,328,673
Promissory note – related party		—			2,164,867			—			(1,924,867	)		240,000											(240,000	)					—
Current portion of convertible notes		561,919			—			—			(15,517	)		546,402																	546,402
Prepaid advance liability		—			—			—			7,500,000			7,500,000																	7,500,000
Cash advance liability		73,308			—			—			72,480			145,788					(72,480	)											73,308
Commitment fee payable		—			—			—			2,000,000			2,000,000																	2,000,000
		6,827,016			6,212,409			99,016			10,622,421			23,760,862			—		(72,480	)		—			(240,000	)		—			23,448,382
Long term liabilities
Warrant liabilities		—			1,954,739			—						1,954,739																	1,954,738
		—			1,954,739			—			—			1,954,739			—		—			—			—			—			1,954,738
TOTAL LIABILITIES		6,827,016			8,167,148			99,016			10,622,421			25,715,601			—		(72,480	)		—			(240,000	)		—			25,403,121


COMMITMENTS
Class A ordinary shares subject to possible redemption		—			497,828			—			(487,770	)		10,058								(10,058	)								—

EQUITY
Common stock		7,485,696			—			—			(4,964,629	)		2,521,067			30,000					10,058						793			2,561,918
Class A ordinary shares		—			87			—						87														(87	)		—
Class B ordinary shares		—			706			—						706														(706	)		—
Share subscription received		—			—			—						—																	—
Obligation to issue shares		828,132			—			—			(828,132	)		—																	—
Reserve		1,142,204			—			—			1,940,384			3,082,588			29,970,000								240,000						33,292,588
Accumulated deficit		(15,088,139	)		(8,134,378	)		(99,016	)		1,683,698			(21,637,835	)																(21,637,835	)
Accumulated other comprehensive income (loss)		(422,331	)		—			—						(422,331	)																(422,331	)
TOTAL EQUITY		(6,054,438	)		(8,133,585	)		(99,016	)		(2,168,679	)		(16,455,718	)		30,000,000		—			10,058			240,000						13,794,340
TOTAL EQUITY AND LIABILITIES		772,578			531,391			—			7,965,972			9,269,941			30,000,000		(72,480	)		—			—						39,197,462

The pro forma adjustments included in the unaudited pro forma condensed combined balance sheet as of April 30, 2026 are as follows:

Includes identical assumptions and adjustments within the effective F-4 filed in November 2025.

Sum of historical results of each of Plum Acquisition Corp. III as of 3/31/2026, Plum III Merger Corp. as of 3/31/2026 and Tactical Resource Corp.’s preliminary, unaudited, reviewed balance sheet as of 4/30/2026 and pro forma adjustments as previously disclosed.

Acquisition of crushed aggregate inventory – 3,000,000 PubCo shares are issued in exchange for 1,500,000 tons of crushed aggregate. As consideration is PubCo common shares at a price of $10.00/share, which is the implied price of PubCo common shares at the Listing/Closing Date per the F-4. The crushed aggregate inventory will be acquired by Tactical Resource Corp.’s newly formed US subsidiary, Tactical Resources US Corp. This adjustment represents the only transaction for this newly formed subsidiary, and those no other adjustments, balances, or transactions are reflected in this proforma for the US subsidiary. This transaction represents $30,000,000 to inventory, $30,000 to Share Capital and $29,970,000 to Reserve.

True-up entry to reflect the actual balance of the Cash Advance Liability, net of the adjustment made in the pro forma as disclosed in the effective F-4 filed in November 2025.

True-up entry to reflect the actual balance of the Cash Held in Trust Account, net of the adjustment made in the pro forma as disclosed in the effective F-4 filed in November 2025, to ensure the full amount flows through to Cash and Share Capital upon Listing/Closing Date.

True-up entry to reflect the actual balance of the Promissory Note, net of the adjustment made in the pro forma as disclosed in the effective F-4 filed in November 2025, to ensure the full amount flows through to Reserves upon Listing/Closing Date.

Entry to eliminate the existing Class A and Class B shares of Plum Acquisition Corp. III.8

Other Limitations:

Final agreements of the contemplated transaction have not been audited in detail for accounting implications, the resulting classification or measurement could be materially different;

ii.

Underlying share counts, financial statement footnotes, and events subsequent to the latest balance sheet have not been incorporated unless otherwise noted herein, these impacts, including the share counts, share conversions or share prices, could have a materially different result;

iii.

An “Inventory” account has been established to reflect the anticipated accounting for the acquisition of crushed aggregate which is assumed to be an asset purchase, for which PubCo stock is the most reliable measure of value.

PRO FORMA CONDENSED CONSOLIDATED INCOME STATEMENT AS OF APRIL 30, 2026

	Tactical Resources Corp. (Historical)			Plum Acquisition Corp. III (Historical)			Plum III Merger Corp. (Historical)		Pro Forma Adjustments		Notes	Pro forma Combined
For the	Nine-months ended April 30, 2026			Nine-months ended March 31, 2026			Nine-months ended March 31, 2026
	$			$			$		$			$
EXPENSES
Consulting fees		236,341			—			—					236,341
Foreign exchange loss (gain)		(58,686	)		—			—					(58,686	)
General and administrative expenses		46,689			1,922,656			46,194					2,015,539
Investor relations		26,139			—			—					26,139
Professional fees		114,964			—			—					114,964
Property investigation costs		98,804			—			—					98,804
Transfer agent, regulatory, and listing fees		24,616			—			—					24,616
Travel		85,244			—			—					85,244
		574,111			1,922,656			46,194		—			2,542,961

OTHER EXPENSES (INCOME)
Accretion of interest		85,837			—			—					85,837
Gain on extension of accounts payable		(47,982	)		—			—					(47,982	)
Interest and dividend income on cash held in Trust Account		—			(14,073	)		—		14,073	A		—
Loss (gain) on change in fair value of warrant liabilities		—			(355,001	)		—					(355,001	)
Debt issuance expenses		—			—			—		375,000	B		375,000
SEPA commitment fee expense		—			—			—		2,000,000	B		2,000,000
Impairment of deferred acquisition costs		154,242			—			—					154,242
Transaction costs		1,015,564			—			—					1,015,564
Recovery of property investigation costs		(20,865	)		—			—					(20,865	)
		1,186,796			(369,074	)		—		2,389,073			3,206,795
NET LOSS (INCOME)		1,760,907			1,553,582			46,194		2,389,073			5,749,756

OTHER COMPRENSIVE LOSS (INCOME)
Foreign currency translation differences for foreign operations		83,907			—			—					83,907
		83,907			—			—		—			83,907
LOSS AND COMPREHENSIVE LOSS		1,844,814			1,553,582			46,194		2,389,073			5,833,663

The pro forma adjustments included in the unaudited pro forma condensed combined income statement as of April 30, 2026 are as follows:

To eliminate investment income earned on the Trust Account of $14,073 for the nine-months ended March 31, 2026.

Includes identical assumptions and adjustments within the effective F-4 filed in November 2025.