Leverage Summary / Asset Coverage Ratios

Symbol: TYG TYY TYN TPZ NTG TTP   

Leverage Summary

As of May 11, 2012

Notes	Type	Amount	Fixed Interest Rate	Maturity Date
Series E	Private	$ 110,000,000	6.11%	4/10/2015
Series F	Private	$ 29,975,000	4.50%	12/21/2012
Series G	Private	$ 30,000,000	5.85%	12/21/2016
Series H	Private	$ 15,000,000	**	05/12/2014
Series I	Private	$ 10,000,000	4.35%	05/12/2018
		$ 194,975,000

** Floating Rate (3-month LIBOR plus 1.35%). Current rate is 1.86%.

Mandatory Redeemable Preferred Ticker	Cusip #	Amount	Fixed Distribution Rate	Redemption Date
TYG Pr A	89147L605	$73,000,000	6.25%	12/31/2019

Credit Facility Amount	Amount Outstanding	Rate (1-month LIBOR +1.25%)	Non-use Rate	Maturity Date
$85,000,000	$64,800,000	1.49%	0.20%	06/18/2012

Total leverage outstanding: $332,775,000
Leverage as % of total assets: 20.3%
Effective all-in cost of leverage⁽¹⁾: 4.84%

⁽¹⁾ Includes non-use fees on the credit facility and excludes agent fees and amortization of offering costs.

Asset Coverage Ratios Under the 1940 Act

The 1940 Act requires that TYG have an asset coverage of 300% with respect to senior securities (debt) and 200% with respect to preferred stock (including debt & preferred) at the time of a common stock distribution declaration. TYG's senior notes and preferred stock have the same asset coverage requirements and are measured as of the end of each month.

	Ratio as of Last Valuation Date 04/30/12	Ratio as of 05/11/12
Debt (300%)	508%	500%
Debt & Preferred (200%)	397%	390%

Basic Maintenance Covenant Requirements

Basic maintenance covenants must be passed at the time of a common stock distribution declaration. Basic maintenance covenants for TYG's senior notes and preferred stock are measured as of the end of each week.

	Status as of Current Valuation Date 05/11/12
Debt	Passed
Debt & Preferred	Passed