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Issues may include
bonds and notes of the United States government and its agencies,
state and local municipalities, and corporations, preferred stocks
and asset-backed securities. Mortgage pass-through and other securities
with multiple option payment streams are generally not considered
for investment.
Quality is subject to the margin-of-safety principle. The principle
is to purchase a bond only when the available income or assets of
the issuing enterprise are significantly greater than the interest
payments and principal repayments due the security holder. Once
this requirement is satisfied, bonds which offer the most attractive
yields are purchased.
Bonds
rated AA- or higher by Standard & Poor's or AA3 or higher by
Moody's are considered to have an adequate margin of safety due
to the stringent standards established by these organizations for
their AAA and AA ratings. Bonds rated A+ or lower by Standard &
Poor's or A1 or lower by Moody's or issues not rated by either organization
are thoroughly investigated before purchase. The enterprise itself
and its bond indentures are examined in detail to determine the
margin of safety in each particular issue.
There
are no other restrictive parameters based on credit quality ratings.
The reason is to avoid over-delegating management responsibility
and performance accountability to outside rating sources (except
for AAA and AA rated issues as indicated).
Economic
forecasts are not considered in the investment decision-making process.

The primary objective of the fixed income portfolio is to provide
liquidity and stability. Therefore, bond maturities typically range
from one to ten years. The primary objective regarding term structure
is to protect the portfolio from inflation. A significant policy
in this regard is to avoid locking up intermediate-term and long-term
bonds at low rates, since such bonds are at risk of rising inflation
and protracted negative after-inflation returns. Bond maturities
are therefore structured using a "step-ladder" approach,
where minimum yields are established at specified maturities. Short-term
bonds, those with maturities of one to four years, have no minimum
yield requirement. The following minimum yields apply for bonds
with maturities from five to ten years:
Maturity
5yrs |
6yrs |
7yrs |
8yrs |
9yrs |
10yrs |
Required minimum yield
4.0% |
4.5% |
5.0% |
5.5% |
6.0% |
7.0% |
During periods
of historically high interest rates, bonds with maturities greater
than ten years may be purchased according to the following minimum
yield schedule:
Maturity
Required minimum yield
The number of
bonds in a portfolio is contingent on the client's total assets.
No single issuer will comprise more than five percent of a client's
total assets.
Taxes are an
explicit consideration in all accounts. The tax rates of tax-paying
owners and beneficiaries are recorded. Yields are then compared
on an after-tax basis to determine whether or not taxable or tax-favored
issues are most advantageous.
The bond investment
performance objective is to obtain the highest after-tax yield possible
without sacrificing credit quality standards. An index for comparative
purposes is not selected. Traditional indexes do not have a comparable
term structure, and the construction of a specific comparable index
would be ineffective. It would replicate the portfolio with the
matching of credits, and therefore performance would be decided
by the ratings agencies.
   
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